hmfbd

Have A Mother Fucking Birthday

little kid: Yay! It's my birthday!
grampa: OMG! HMFBD!
little kid: what?

by morracaas December 07, 2005

HMFBD

An acronym - Happy Mother Fucking Birthday!

Hey! TGIF and HMFBD too!

by susan lucci's toenail August 25, 2011