cari istilah yang lo mau, kaya' blumpkin:

1 definition by buttflapexpert

when obesity causes rolls to protrude from the buttocks, causing a sort of 'flap' that at time may sway to and fro.
omgz my butt flap, someone help, need butt flap assistance
dari buttflapexpert Selasa, 06 Juni 2006
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