1 definition by lolidkyuaskbro

Top Definition
When one preforms the act of masturbation on said day of birth.
Random nigguh - "Oh yeaaauh nigga ifs mah mahfaking 11th birfday brah! Gimmie mah prezzies and GTFO so I can birthday fap on dat shieet."
by lolidkyuaskbro May 30, 2011

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