Umption

Motivaton to do something, or driveing force.
I don't have the umption to do that.
by Eric Stalheim December 05, 2007
mugGet the Umptionmug.

Umption

A mishearing or mispronunciation of the standard English word, "gumption".
I don't have the umption to figure out how to spell properly.
by Jibble Blebrun December 29, 2009
mugGet the Umptionmug.