OSFM

One Size Fits Most (A more accurate version of the saying: One Size Fits All)

Dude 1: Do condom come in different sizes or OSFM?

Dude 2: OSFM. Except magnums are bigger if you packin' heat.

by tacticalhampster September 28, 2012

OSFM

Oh Shit Fuck Me

OSFM i forgot my sweater at home.

by XMIGGY February 14, 2012