run-a-muck 

To cause trouble or to create mischief.

Hey guys, do you have the eggs and paintball guns so that we can run-a-muck tonight?

run-a-muck by mnemonic7 March 5, 2004

runamucker 

to lose by a little amount, as in the sport of basketball alternate definition: to be injured often ex. tripping over a table into a wall

Did you see that guy, he just runamuckered into that wall in the gym and now has chronic back pain

runamucker by e.R. jr December 22, 2010

runamuck 

when you get engaged to a girl, but decide to take drugs and sleep with any other girl who is available just because it is a special occasion..ie an 18th bday.

rachael:what's this i hear about you cheating on me at that party?

josh:i didn't cheat on you...i just runamuck a bit....it was only coz you weren't around.

rachael:..........what do you mean i wasn't around???? i was in the room next door.......

runamuck by ashke July 6, 2010