Definitions by BaldwinNL

Rups 

In Dutch a slang word for penis and for slow older men.
Rups is the Dutch word for caterpillar.
As slang word it usually comes with the adjective "oude" (i.e. old)

''Hey, oude rups, schiet eens op'' (Hey old caterpillar, speed it up)

Rups by BaldwinNL January 26, 2009