Definition of mop-headed:
(n) :
An implement for washing floors or similar, made of a piece of cloth, or a collection of thrums, or coarse yarn, fastened to a handle.
(n) :
A wash with a mop; the act of mopping.
(v) :
(transitive) To rub, scrub, clean or wipe with a mop, or as if with a mop.
(n) :
(humorous) A dense head of hair.
(n) :
(slang) A drunkard.
(v) :
(US, slang) To shoplift.