1 definition by radiohead123
The hot burning sensation you get on your upper thighs after using a laptop computer for extended periods of time.
Joe: "Go check out that girls facebook page, shes sexy as hell."
Jim: "Can't dude. ive been surfing all day and ive got a serious case of lap-fire."
Jim: "Can't dude. ive been surfing all day and ive got a serious case of lap-fire."
by radiohead123 September 12, 2011