The act of rubbing your Moose Knuckle on unsuspecting friends.
Damn! He just walked up behind them and rubbed his Moose Knuckle on em!!! The Moose is Loose!!
by Sneaky Hal February 26, 2011
Get a The Moose is Loose mug for your grandma Rihanna.
When someone smears their shit all over the stall,on the toilet, on the floors. And leaves it for the next person.
Yo I walked into the bathroom stall shit was smeared everywhere..... THERES A MOOSE ON THE LOOSE!!!?
by Aggieballer33 October 05, 2017
Get a Moose On The Loose mug for your friend Zora.