look up any word, like turnt:
 
1.
An umptie is anything that will fuck you up. Alcohol, Marijuana, Acid, things like that. But it is a secretive term...shhhhh!
Yo man you got my umpties? I'm not tryin' to remember tonight!
by Ross Mofuckin' L July 05, 2006
2 2
 
2.
An umpty is where your sweaty balls stick to your leg and you can't get them un stuck.
1. I been running in this heat for hours I probably have an Umpty.
2. Look at that sweaty obese unattractive fat man run I bet he is gonna have an Umpty that not even a crowbar will get unstuck.
by Russell J Amirault January 15, 2009
2 7