When one is pretending to be knowledgeable of a subject that they know nothing about.
Knolegable person: Daft Punk's new song is just soooo lame. Don't you think
Crompastomper: Oh...erm...sure...I uh think that also. Cough...cough.
Knwledgable person to other knwledgeable friend: Oh he was soooooooo crompastompin'!
by Smellaria Ruscoe May 31, 2005
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