Martinez Detention Facility in Contra Costa County, California. High power county jail.
Homey No. 1: What ever happened to that fatass Cheeseburger?

Homey No. 2: You mean that Carrot Top lookalike from Dirty Waters? That nigga got his cheeks busted in the MDF!
by ZXY&ABC July 24, 2019
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Men Don't Fap
Jake: Yo Luke, I'm starting a MDF challenge tomorrow. Wanna join?
Luke: What's MDF?
Jake: Men Don't Fap
by Drodeks September 1, 2020
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"Morto di figa" in Italian, that is something like "starved of cunt to death".
"Segarsi col catalogo della Postal Market! Che mdf!"
by agve September 26, 2015
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A semi-erect penis.

Name after the building material of the that name (Medium Density Fibreboard) which is "not quite wood".
She was not an attractive lady. When it came to performing my gentleman's duties all I could muster was a poor MDF.
by Adeybaby January 8, 2004
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Mather Facker, commonly seen on Twitch. Originates from Kyrgyzstan, Kommentator01. First seen on Kritikal channel!
"Hiii MDF" " for this you respect and MDF" " Nat Geo MDF"
by thetwitchtwig March 5, 2021
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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.
by MDF master January 19, 2011
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