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Abbreviation
1) (noun or exclamation) God Damned Mother Fucker
2) (adjective) God Damn Mother Fucking
1) “That GDMF crip took my bike!”

*drops Big Mac* - “GDMF!”

2) “My toe hurts so GDMF bad.”
GDMF by ofdeath January 17, 2019
Related Words
DJ Shadow feat. Roots Manuva - GDMFSOB (U.N.K.L.E. Uncensored Mix)
GDMFSOB by Krusher November 10, 2008
The guy that invented the vagina is some sort of GDMFG
GDMFG by Lascivious September 25, 2009
Explative to convey EXTREME displeasure

God Damn Mother Fucking Cock Sucking
GDMFCS MSN logged me off again!
GDMFCS by Tamz September 18, 2006
Acronym for: God-Damn-Mother-Fucker
I hate that guy. He's such a GDMFer!
GDMFer by Ian Ward October 2, 2004

GDMfugly 

Goddam Mother Fucking Ugly.

Pronounced Ga-DUH-MUH-fu-glee

An extention of fugly.
That dude ain't just fugly, he's GDMFugly.
GDMfugly by Nottobrite September 19, 2005