MDF 

Mini Dildo Forking, the act of sticking a mini dildo onto a fork then placing them in a formation on someones lawn. When the wind blows the dildos sway in the wind. Penises in the wind.

oh shit there are swaying penises in my lawn. looks like i got MDFed.

MDF by MDF master January 20, 2011

MDF 

MDF stands for Most Defiantely Fuckable, also a MLG Halo 2 Team ran by Brandon in Illinois

*Hot Girls Walks By*
Old Man:Damnnn That Girl Is MDF come Here Sweeeeetie

MDF by MDFBrandon December 9, 2008

MDF 

Morte di fame

An Italian expression abbreviation for "Morte di fame" Example: That guy can't put two nickels together, he's a MDF!

MDF by Midgley or is it West? May 2, 2018

MDF 

Massive Dick Face. ; an insult that not only shocks but makes you rethink your whole insult list.

That guy Denis, he's a MDF. Has his shirt on backwards all day.

MDF by BBQmess May 22, 2015

MDF 

Monticulo De Flor - Extremely secretive violent drug trafficking group. Mainly based in North Texas.

MDF is a newly organized, very secretive drug trafficking group based in North Texas.

MDF by BudKilla261 February 6, 2018

MDF 

In Spanish people use Spanglish and say “MudaFucker”

Como estas MDF?

MDF by Kittylitering January 6, 2019

MDF 

Metal Detecting Find

This coin is a MDF

MDF by gpc1965 November 19, 2019