Top Definition
When one willing individual snorts a line of cocaine (benzoylmethylecgonine, an ecgonine derivative) off of another man's penis imitating a skateboard grinding or sliding down a hand rail of a set of stairs.
Bro, you were so drunk that you did a rail slide in the men's bathroom. Gat damn.
by BrodoFaggins_ July 03, 2014
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