When you're at a concert and the crowds really pumped, then the guy behind you pokes/grazes your back with his boner.
by That's nasty man March 17, 2009
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When someone snorts any amount of cocaine off a fully erect penis. A partial erection does not qualify, nor is it recommended, because a full erection provides a table-like surface for the user, and partial erections may cause the cocaine to be unduly displaced.
Hey baby, you wanna do a boner bump? I just scored some really good stuff and I already have a stiffy.
by Bloatedoyster June 30, 2018
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