Matted section of hair on the back of a long-haired guy or gal after a night of debauchery.
Ew look at that sex rat - I know what he was up to last night.
by teej haystack May 24, 2014
Get the sex rat mug.
Girl that enjoys having sex with fecies.
Wow! Rhonda is a sex rat..last night she told me to shit on her titties and smear it upon both of us while having amazing sexual intercourse. What a great sex rat!
by Head dick November 1, 2007
Get the sex rat mug.
To have raw sex with many people you don't know while wearing a costume, that looks like a horse head or rat
I got some std from that wild rat sex
by Ben Dover & Sharin needles August 21, 2015
Get the rat sex mug.
Having oral sex with a dead rat by cutting its mouth wider and ripping its teeth out, and crushing its organs with your penis
by Phtv14 May 28, 2008
Get the dead rat sex mug.