Kolla upp vilket ord som helst, t.ex. the eiffel tower:

1 definition by buttflapexpert

 
1.
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
av buttflapexpert 6 juni 2006