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GMF is an acronym for Grand Mother Fucker.
"That lodge meeting had a bunch of GMFs"
GMF by HOMERHesiod September 9, 2019
Related Words
GMF GMFB GMFL GMFO GMFF GMFAB GMFC GMFD gmfp GMF24
Gay Male Furry <3

-MBG
that greasy boy jude is a gmf he likes males!!
Gmf by mikaylaaaaaaaaaaaaaa September 20, 2022
When Michael was on his date, Tony texted him GMF.... because that bitch is olde.
GMF by Bag of donuts2 August 6, 2024
You "GMFU "
Gmfu by Lil mamas July 19, 2018
I just wrote some GMFC, and it compiled on the first try!
GMFC by Juan El Pablo August 14, 2019