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1.
An acronynm for "what the fuck is this shit". However, it is not used that often. Usually used when instant messaging. Also look at wtfiw
<Coolio> wtfits
<Kewlio> wtfiw
by Alec the Great December 19, 2004
 
2.
what the fuck is this shit
dude wtfits i must be trippin of acid
by jmel January 27, 2008
 
3.
addition to the famous wtf.

wtf is that

what the fuck is that

usually a question: wtfit?
omg! wtfit?!!?!?!?!?!?

oh my god! what the fuck is that?
by nsm November 27, 2004
 
4.
The abbreviation of the term: "What The Fuck Is This Shit!"

Used on the internet - Cool
In real life - Real frikin' loser
Boss: Johnson is that report ready?
Johnson: Yes sir, here you go.
Boss: WTFITS!
Johnson: Oh STFU I was up to all hours doing your wife last night.
by 3dmikey August 10, 2008
 
5.
What the fuck is that?
"I think I'm gonna go skiing"
"Wtfit?"
"It's a sport which many people practise and you do it in snow!"
by Rio Comesaña November 20, 2007
 
6.
Who The Fuck Is That?
Tweetie 1: I'm following @harveylevintmz
Tweetie 2: WTFIT?
Tweetie 1: Some Random Guy.
Tweetie 2: Oh
by NoFX_Fan April 29, 2009