The way a person would respond to something that makes absolutely no sense. An alternative way of saying "what" on a chatting platform for people that don't have the attention span to write the entire word.
Guy1: I'm going to birth 500 carrots.
Guy2: wat
When you are to lazy to say "what."
Mike : I hate Dave.
Dave: You wat mate?
Look at Jude, Julia, Abby , Lilly and Sierra, they are Wats. Don't mess with that group of girls
a replacement for "what" that sounds more babyish and makes you look more ignorant
male 1:did you hear that john was cheating
male 2:wat
Wat is a bag of weed/grass/reefer.
I just got a fat wat, you wanna smoke a bowl?
The meme/online spelling of what. Popular from the 'wat' meme.
Person 1: Yoskgjickianicicicwonius Syndrome is a Mental yastriligus sidios condition that affects the brainal area.
Person 2: wat
Note: All said it person 1's sentence is FALSE.