1 definition by b_jewled

Top Definition
This occurs when a naked male stands and pelvic thrusts repeatedly (more often then not in front of the mirror or his girlfriend) sending his penis and genitals violently against his stomach and rebounding into his taint. Thus creating the noise "Flapa Dapa".
"Hey babe check this Flapa Dapa out."
by b_jewled September 03, 2008

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