MIRNF

Did you see the new lady at the office?

Yea, she not that much to look at she is a mirnf.
by mbboys October 08, 2008
mugGet the MIRNFmug.

MIRNF

Mother I'd Rather Not Fuck

Opposite of MILF
"Damn, Stacy's mom has got it going on, but her aunt is a MIRNF."
by MIRNFhunter July 31, 2018
mugGet the MIRNFmug.