Dumb Mother Fucker. noun

DMF stands for Dumb Mother-Fucker.

DMF= Dirty Mexican Flu

The swine flu's nickname

1.)To go about your life as if you are mentally ill(but you're not)

Noun:
Double Middle Fingers-
When one is pist off at a person, situation or the entire world; flying two middle fingers in the air to demonstrate disgust, disdain or hatred.

Darkmoon Faire, an Europe World of Warcraft server.

1.) To be the ultimate male.
2.) To deliver more male in a single thrust of the pelvis than the postal service and the pony express in the last 126 years combined.
3.) To mess something up
4. Acronym for coolness