1 definition by mishmell

Top Definition
When you're motorboating a girl whose breasts are too small and your nose runs aground on her sternum.
Aw man, I was fooling around with Michelle last night, and you know how much I like motorboating, well I was totally beaching with her. That girl is a B cup at best.

Have you seen Carly's breasts? Huge. That girl is unbeachable.
by mishmell February 26, 2013

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