What it means
Means something is unbelievably good, impressive, or cool. Fully works as an extra boost, like saying maxed out sick. You’ll hear it about cars, waves, gigs, pretty much anything that goes hard. Can be said straight or with a bit of cheek to hype up something ordinary. Classic Aussie praise that refuses to die.
Usage examples
"Rock up to the servo and Dan’s showing off his new ute, big tyres, loud exhaust, the whole lot. Everyone’s like, that’s fully sick, mate."
"That wave was fully sick, did you see the air he got?"
"New paint job on the ute looks fully sick, mate."
"That burnout at the lights was fully sick, you absolute menace."
"Mum reckons it’s just a sausage roll, but after the beach all day it tasted fully sick."
Where it comes from
This is straight-up Australian slang. Sick had already flipped from meaning ill to meaning excellent, especially in youth, surf, and skate talk. Then fully got stacked in front as an intensifier, giving it that extra rev. By the 1990s and 2000s, fully sick was locked in as a classic Aussie way to big something up.
Other ways to say it
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