1 definition by Hans Landa

Verb:
The act of slapping your own butt in an upward motion with your flat outstretched palm, in a moment of severe agony resulting out of a sharp shooting pain in the abdominal area.
Derivative of the word 'thump' and the direction in which this action occurs (up).
After his daily morning routine of standing on his head, the philosopher of future mankind usually thumps up twice to rearrange his displaced innards.
by Hans Landa September 16, 2009
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