its an acronym used in texting. it stands for "text me the fuck back!" it can be used if someone hasn't responded to one of your texts in a long time.
"dude jake hasn't responded to my text and its been four hours"
"just send him another text saying TMTFB!"

*texting conversation*
Katie "Hey whatsup"
John=no response
Katie "TMTFB!"
by protexter69 November 02, 2009
6 Words related to tmtfb

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.