runnin-a-muck 

1. Consciously, with very firm motivation, doing whatever the f**k you want, whenever the f**k you want, however the f**k you want, with whomever the f**k you want, simply because YOU can without explanation, rhyme, or reason as to why, all while having the most fun ever and avoiding the law.

Have you seen or heard from Lesha or Lauren because I heard they were runnin-a-muck again...

runnin-a-muck by creatorofquinn January 27, 2021

running a muck

Australian slang - Out-of-control behaviour; meaning overly fun or disruptive or partying behaviour or outlandish, rebelling behaviour; revelling.

Similar to the term, 'mucking around', which can have various meanings; 1. playing up, 2. doing whatever comes to mind usually in a lazy way or without much thought, direction or real goal. 3. Fiddling and playing around to the point of not getting anything beneficial done.

He was totally running a muck at the party and he fell through the table and smashed all the drinks while dancing.
The children were running a muck all day; they drove me nuts.
He was mucking around so much that I decided to leave, as he was never going to get anything done.

running a muck by c,rocketby August 18, 2013

Running a muck

When your doing bad things

Wyatt is running a muck

Running a muck by Danielle Cathredral December 8, 2018