To bump one grundle against another, much like scissoring between two people, but can occur between any gender mix. It can occur in rapid succession.
by The Realest June 16, 2017
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by sugarthot June 19, 2017
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Get the lil bump mug.Effect felt when a strong urge to take a dump takes hold, to the point of partially protruding outward and "bumping" the cotton of common underwear.
I had to pinch one at work, but since I didn't want to build a nest I had to bump cotton all the way home.
by Raunchy Redneck February 22, 2017
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