When someone transforms themselves from reasonably chubby to a sexy and extremely muscular, in the style of actor Chris Pratt.
Have you seen John recently, he's pratting and lost like 40 pounds.
by Agt678 April 27, 2015
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Someone that is acting like a major dumbass. Something you would say to your friends.
Don't be a Prat Ruben.

or Azza you are a massive Prat
by Bobbejaan October 19, 2010
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The guys on trains who deliberately show off their new Vodafone Camera DX phones and talk about how much money they're going to make on it.

Annoying, obnoxious, career students mostly.
Guy 1.Check the guy playing with his tones over there.

Guy 2.Christ, what a prat.
by Biafra J July 12, 2004
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Person 1: That guy, that guy is so cool he could be a Pratt / Prat
Person 2: Only Chris Pratt could turn an insult into a compliment XD
by SebAveryTV May 06, 2017
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similar to twat, to be a twat, idiot stupid - cunt- fool
mark fenn is a fucking prat!
Murcott get back u prat!
by Barry Quantril January 27, 2003
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Commonly used as an insult combined with other derogatory terms to create a mega insult.
Fuck off you scummy prat.
You silly fucking prat
by Technophile May 31, 2003
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An immature person, usually one looking for attention in a wholly childish method. Will often search for attention by trying to make a martyr of him/herself. Friends can see through the facade in an instant.
"'Since you're all friends with HER, you clearly don't want to be friends with ME any more.' 'You're SO off my buddy list.' 'Better to be miserable in a relationship than to back down. Breaking up is the loser's way out.' He said all those things? What a prat!"
by nahira August 18, 2005
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