someone on meth who steals insignificant items such as safety pins, erasers, dials, key chains, electrical tape, bic lighters, and paper.
Becky's on meth and mucking again, i caught her taking my paper clips and hanging keychains from the ceiling.
by Jenn D May 4, 2004

by Chuck March 29, 2005

by Moji JoMama August 23, 2003

A non-vulgar way of calling a person a fucker. An ass who screws around or messes with another person to put a situation into a state a crap.
"... your a mucker for doing this to me ... Thanks"
by jeefb April 17, 2006

by Gkelly September 25, 2005

by Chasadia November 19, 2018

A gender neutral term to describe someone in Bristol who likes to get baggy during a casual event. A mucker typically drinks Thatcher’s cider, more often choosing Haze or Katy over Gold. Other distinguishing features include wearing joggers to the pub and during a heatwave, and a broken Bristolian accent that is mumbled and monosyllabic.
by OriginalOrigi2 July 11, 2020
