A variation of the word "what". The word what is purposely misspelt to show dyslexia and stupidity. It can also be used as a lazy form of the word "what".
wat
by Age April 21, 2003
by Vincent the cressant March 14, 2011
by Funnygirlincanada March 17, 2019
by TheOneAndOnlyLiyah March 30, 2016
by the_anti_elise October 11, 2003
Sounds like an old lady.
by yayafest January 22, 2009