Top Definition
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."
by radiohead123 September 12, 2011
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.