Definition of scunge:
(n) :
(uncountable, slang) Muck, scum, dirt, dirtiness; also used attributively.
(n) :
(countable, slang) A scrounger; one who habitually borrows.
(n) :
(countable, slang) A dirty or untidy person; one who takes no pride in their appearance.
(n) :
(countable, slang, derogatory) A scoundrel; a worthless or despicable person.
(v) :
To scrounge; to borrow.
(v) :
To mark with scunge; to begrime or besmirch.