Definitions by Ahsheit Madroors

Rusty Blowjob 

When you have sex with a woman on her period, and her menstrual blood gets on your dick. It then dries and crusts, resembling rusting metal. The woman then sucks your dick removing the rusty substance.

Dude! Your skank girlfriend gave me a rusty blowjob last night!

Rusty Blowjob by Ahsheit Madroors March 13, 2010