Verb: The ultimate prank and/or claiming of territory where upon one money shots" on to or in to another gentlemen's beer.

Noun: A beer that has jizz in or on it.
Verb: Caleb just pearly topped his beer so everybody would know it was not theirs (territorial usage).

Verb: "Hey everybody, let's go pearly top the Ginger's beer (prank usage)."

Noun: The Ginger's drinking a Pearly Top.
by Das House December 11, 2009
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