Australian slang meaning to show off, act flashy, or behave in a loud and attention-seeking way. If you're lairising, you're probably doing donuts in the car park, wearing something outrageously loud, or just being the most extra person in the room. It comes from 'lair,' which in Australian slang describes someone who's brash and showy. The verb form 'lairise' brings an energetic sense of ongoing performance — it's not just looking flash, it's actively putting on a show.
He spent the whole night lairising around the bar, buying rounds for strangers and singing too loud.
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(slang) To act in a flashy manner.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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