Laughing My Mother Fucking Ass Off. Another form of lmao and lmfao used exclusively on the internet.
Bill: Well I told him 'Your Mamma is so dumb she thinks sqaure roots are vegetables!'

Ted: LMMFAO
by Simple Sam February 07, 2005

2 Words Related to lmmffao

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×