Short form of "what". Is usually used by people who's synapses fire at a very slow rate. Can be used by otherwise literate people to convey a state of being utterly flabbergasted.
Nick: So, your cousin is sleeping over tonight.
George: Yeah.
Nick: Is that your cousin in the picture on your Myspace?
George: Yeah.
Nick: She looks pretty cool.
George: Sure, she's cool.
Nick: She's hot, actually.
George: ...
Nick: Can I sleep over tonight?
George: wat
George: Yeah.
Nick: Is that your cousin in the picture on your Myspace?
George: Yeah.
Nick: She looks pretty cool.
George: Sure, she's cool.
Nick: She's hot, actually.
George: ...
Nick: Can I sleep over tonight?
George: wat
by JulesIsCools January 13, 2009
Get the watmug. What one says when they're devoid of any particular useful words.
Also used for extreme confusion.
Often extended. (WWWWWWAAAAAAAATTTTTTTTT)
Also used for extreme confusion.
Often extended. (WWWWWWAAAAAAAATTTTTTTTT)
A: Make sure you register with DNS correctly by opening CMD and typing ipconfig /registerdns.
B: wat?
B: wat?
by Player72 September 14, 2013
Get the watmug. Me in fangirl mode: Ohmaigawd, so last night, I had a wet dream about Andy Biersack!
Friend: Wat.
Me: Wat.
Friend: Wat.
Me: Wat.
by BANGmeTANBOYS March 12, 2015
Get the Wat.mug. by Will January 12, 2005
Get the watmug. by hatman definitions May 30, 2021
Get the watmug. 
