look up any word, like pretty face challenge:
 
1.
A versatile, short, pipe-like utensil usually carried by well-armed Black Friday mall cops. Commonly used for spanking rowdy and/or dangerous/hostile shoppers.
"Aw man, that cop has an ass baton!"

"Oh he finna use that ass baton, you'd best watch out"
by Auggie the Soggy Doggie December 20, 2013