Top Definition
related to finspout...literally. The result of your dad getting so messed up on drugs that he only remembers your mom not being a mermaid but smelling like fish and cutting him with her fins.

Male offspring therefore being named Finson.
Mark is just another Finson. His dad was a typical 1950s-1960s college rebel experimenting with everything he could smoke, swallow or inject.
by Jack Whoreson February 09, 2010

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