To be very very intoxicated.
Look at Sam man, they are of their off their prawns.

Yeah I know Jenny was totaly off her prawns last night too.
by BlockII November 28, 2011
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Being prawned is slang talk for being blazed af. Prawn refers to good weed and to get prawned is to get high.
Harry: "Oh man i was so prawned last night!"

Jake: "You got some good prawn then?"

Harry: "yeah man lets go get prawned right now!!"
by punk_flea February 8, 2017
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Decent bod, uggo face.

So like a prawn, you'd cut off the head.
Matt - Look at that absolute prawn-head
by Cameraboi92 November 22, 2019
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a person who has no guts and a head full of shit.
the stupid weak bugger is a prize prawn head.
by roosaloose February 6, 2019
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The prawn hold is the act of slumping over a defeated opponent, with straightened and tense arms so as to prevent escape.

Variations of this procedure have included:
Wriggling and occasional spooning
Hugh: I just got Dwayne in the Rock Snare!
Alfred: Quick, get him in the Prawn Hold!
by HughareHugh July 7, 2011
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