Top definition
One who doesn't give a flying fuck about that much of anything. Has no life. And goes on 4Chan daily to look at peoples posts just to look and laugh at them.
Ex. 1 "WTF is Brian doing?...Oh he's being a lulfag."

Ex. 2 "Well I got my laugh in today...Lulfag MISSION COMPLETE!"
by *//Anonymous//* February 11, 2010
Get the mug
Get a lulfag mug for your Aunt Helena.