look up any word, like cleveland steamer:
 
1.
When something (often a joke) is taken to the extreme.

Friend 1: "Yeah, I bouta hit up the club!"
Friend 2: "Make sure you have a cute outfit."
Friend 1: "Oh, I will, with my matching shirt and shoes."
Friend 2: "That should be cute."
Friend 1: "And my matching socks and weave."
Friend 2: "Ok, run out." OR "You can out."
by Akailah February 13, 2009
 
2.
1. an act of abandonment by a parent, a runaway, or a fugitive.
He did his runout when his family faced eviction.
by BackwayG August 18, 2009
 
3.
When you finish sumthing
I have ran out of games (which will neva happen to me)
by Ali Bakir May 20, 2005