"You" in French, singular only - informal.

Unless addressing young children, wait until you're addressed with "tu" before using it. If addressing people you're not familiar with or any member of the authorities, make sure you use "vous" instead.
- Tu es stupide. (You're stupid)
- Stupide, toi-meme. (Speak for yourself)
by Mielb November 24, 2005
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Cindy: Where are you going to college?
Joe: I'm going to TU, best private university in the mid-west.
by DundunDUN! November 30, 2013
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top goon in a lil small town named lil haiti,is unemployed and gets allowance from his wife or kids. smokes squares and lives under trucks or other big automobiles. owns a personal zoo located usually in back of his house. half of the day stays masturbating and guns on the couch and yells out su woo!
dam look at that tu ass nigga.

dam i aint tryna be a tu when i grow up

dam that nigga smell like a fuckin tu!!!!!!
by lil haiti1 January 9, 2009
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Typing shortcut for a turtle emoticon on MSN Messenger. So if you type (tu) in the box and press enter, a small picture of a turtle will appear. I think it only works on version 6 or higher though.
(On an MSN convo)
Harry: What's your fave animal?
Elaine: A turtle!
Harry: What do they look like then?
Elaine: (tu)
by Zelda199 March 22, 2007
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A Vietnamese boy who is very famous for his outlook
Handsome and intellegent
It also using as a adj
Same meaning to cool.
You are very Tu
(You are very cool)
by Tien Tu Nguyen Dep Trai February 26, 2016
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Wasting time doing random un-productive work
"She has been all day Tu-Tu-Dooing"
"Why don't you make yourself useful instead of tu-tu-dooing"
by IAmAJango May 20, 2014
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