Hitting a rail of cocaine out of the asshole of someone else, usually a hooker or equally trashy female.
John: Hey man that party got mad wild yesterday
Mark: Yuh dude I did a rim rail off that Tammylynn bitch's ass last night, I think I got pinkeye
Mark: Yuh dude I did a rim rail off that Tammylynn bitch's ass last night, I think I got pinkeye
by willysons April 20, 2017
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