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 04, 2004
West Belfast term for friend or companion; can also be a term of endearment.
'Well mucker what about ye?'
by Smickers March 30, 2004
This term is not only used in West Belfast but in most nationalist areas in the Six Counties/Northern Ireland.

Probably comes from the Irish phrase 'mo chara' ('my friend').
What about ye, mucker?
by foclóirí cathrach July 10, 2008
a refined version for the colloquial term "mucca", denoting friendship and kinship
hows it ganin me muckersome chersome mucca
by bucksome March 05, 2003
Slang term for a vagina...
That bitch gave bad head, so I gave her a boot to the mucker...
by Honorarius February 18, 2006
A low talent hockey player mainly on the ice to wreak havoc with body checks and stick work.
"He's a real mucker and grinder"
by mambo101 January 08, 2007
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