- Roo
- Kangaroo.
- Rozzers, the
- The police.
- Rum’un
- A weird or eccentric person (Tas).
- Salvos
- Salvation Army, a Christian social welfare organisation. Literally, do-gooders.
- Sandgroper
- A Western Australian.
- Sando
- A sandwich. Predominantly QLD usage over Sanger elsewhere.
- Sanger
- A sandwich.
- Sanny Man
- Sanitary man. Toilet cleaner.
- Sarvo
- This afternoon.
- Schmick
- Excellent, great, fancy, flash.
- Scroggin
- Trail mix.
- Seppo
- An American. Shortened form of 'septic tank', which is rhyming slang for 'Yank' (an American).
- Septic Tank
- Yank. An American (rhyming slang).
- Servo
- Service station (petrol/gas station).
- Shaky Isles
- New Zealand. A nickname derived from New Zealand's frequent earthquakes.
- Sheep Shagger
- A New Zealander.
- Sheila
- Woman. A playful, old-fashioned term. Nearly always used ironically these days unless you're back of beyond.
- Sherbet
- A beer. Inspired by the frothy head of a just-poured glass of beer.
- Sherrin
- A brand of ball used in Australian Rules Football. The ball is often called 'the sherrin'.
- Shirtfront, to
- To make an intimidating move towards someone.
- Shit House
- Poor quality.
- Shoes on caterpillars, We’re not here to put
- We're not here to waste time.
- Shower of Shit, Go like a
- Go very fast.
- Sick
- Great, excellent.
- Sick as
- Very good, excellent
- Sick Balls
- Great, excellent.
- Sick, Fully
- Great, excellent.
- Skerrick
- A small fragment or amount. A trace.
- Skite
- To boast.
- Smashed
- Drunk.
- Smidgen
- A tiny amount.
- Snot Block
- Vanilla slice.
- Socks on caterpillars, We’re not here to put
- We're not here to waste time.
- Sook
- A real wimp or whinger.
- Sool
- To urge (a dog) on to attack. Similar to 'sick him, boy!'.
- Sore arse to a boundary rider, Useful as a
- Completely useless.
- Sparky
- Electrician.
- Spit the Dummy
- Get upset or angry. Throw a tantrum.
- Spruiker
- Person who stands outside a shop with a PA system telling people about store specials and generally trying to hustle them inside.
- Stobie Pole
- A power pole (from the engineer who designed them, SA)
- Stone the Crows
- An exclamation of surprise, often of dismay.
- Straya
- Australia.
- Strewth
- Exclamation. Wow.
- Suicide Season
- The lead-in to the annual wet season (NT).
- Sweets
- Lollies, candy. Also, dessert after dinner.
- Tack Rag
- A tack-rag is soaked with solvent, and is used to to level-out a rough surface on a varnished or lacquered surface on wood.
- Tallarook, Things are Crook in
- Things aren't going well. This isn't a good situation. Snafu.
- Territory Rig
- Long trousers and smart shirt with. Tie and jacket are optional (NT).
- The ‘G
- Short for 'the MCG'. The Melbourne Cricket Ground (MCG) is Melbourne's premiere sports stadium and houses, primarily, AFL and Cricket matches.
- Third armpit, useful as a
- Completely useless.
- Thongs
- Rubber sandals. Flip-flops.
- Throwball
- A derogatory term for the rugby codes. Many Australian Rules Football supporters consider rugby league and rugby union to be inferior, and not worthy of bearing the mantle of 'football'.
- Thugby
- Rugby.
- Thunderbox
- Portable toilet, outhouse, or long drop.
- Tickets, have tickets on yourself
- To have a high opinion of yourself.
- Tiddler
- A tiny fish. More generally, something very small.
- Till
- Cash; money.
- Tinny
- A small aluminium boat.
- Tinny
- Can of beer.
- Tinny
- Lucky.
- Tits on a bull, Useful as
- Completely useless.
- Tonguing For a Beer
- Thirsting and ready for a cold beer. Also 'tonguing for' can be used in other ways to also mean wanting, desiring. e.g. 'I'm tonguing for the new Bond movie'.
- Too Easy
- Said in response to instruction, directions or guidance.
- Toorak Tractor
- An urban four-wheel drive vehicle (Toorak is an affluent Melbourne suburb).
- Tootsie
- A toe.
- Trackie Dacks
- Tracksuit pants. Sweat pants.
- Troppo
- Crazy. To have been driven mad by the unending Australian heat.
- True Blue
- Real Australian. As Aussie as you can get.
- Two knobs of billy-goat poop, Useful as
- Completely useless.
- Two-pot Screamer
- Someone who gets drunk without imbibing much, a lightweight.
- Underdaks
- Underpants.
- Unreal
- Great, awesome!
- Vinnies
- St Vincent De Paul Society (charity stores).
- Vom
- To vomit.
- Waffle
- To talk at great length without sparkle.
- Wart on the hip, Useful as a
- Completely useless.
- Wear a Smile
- To be naked.
- Wether at a ram sale, Useful as a
- Completely useless.
- Wharfie
- A dock-worker; waterside worker.
- Whinging Pom
- British person. Their natural state is to complain about the weather and immigrants. This is fueled, in part, by a deep-seated feeling that they should still rule the world.
- White Pointer
- Highway patrol vehicle. (A white pointer is a great white shark).
- White Pointers
- A topless sun-bathing woman.
- Wigwam For a Goose’s Bridle, a
- An answer to brush off an unwelcome question.
- Witch’s tit, Useful as a
- Completely useless.
- Wobbly, Chuck a
- Have a temper tantrum.
- Wog
- A person of Mediterranean origin, e.g. Greek, Italian. Reclamation of 'wog' by this community has nullified its offensiveness. However, like the n-word, Anglos are best to just stay clear of it.
- Wog (Illness)
- A non-serious illness.
- Wowser
- A professional kill-joy. Someone who thinks themselves morally superior, and passes judgement on others, particularly with regards to abstinence from alcohol.
- Yabby
- Australian crayfish.
- Yakka
- Work.
- Yakka, Hard
- Hard work.
- Yobbo
- Lout. Twat with bad manners.
- Youse
- You all. The same way some Americans say y'all.