look up any word, like space monkey:
 
2.
unwanted,useless item or person
"the cornpump was for sale,but I wasn't buyin'..." "...some cornpump took my seat at the bar"
by steve June 04, 2004
 
1.
ass,asshole,digestive tract
"check out the cornpump on that babe"..."hot foods will burn your cornpump"
by steve June 04, 2004