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
"Lolwat", meaning; "Lol, what?" Is a quite popular internet slang use. It could also be used when someone says something hella gay, and you respond with, "Lolwat".
by Dominus Delirium August 29, 2018