look up any word, like jamflex:
 
2.
When someone says something retarted around you and you dont know how to reply.
"So Tyrone i was jerking last night and it hurt"
"LOL WAT?!"
"My fap tent broke last night while i was on my faptop i almost drowned."
"LOL WAT?!"
by Faptop12 February 10, 2012
 
1.
Synonymous to lolwhat, implies disbelief to the point of absurdity, where even something that actually happened cannot be believed. Generally followed by rage or a facepalm.
"The price of gas rose today on predictions that the market price for gas would go up ... lolwat?"
by Diet Right October 29, 2008