A mingehead is a person who says or does silly, stupid or retarded things. If a person looks like a mingehead they are usually very ugly and quite scroaty/chavy. This person usually smells (has BO)and has greasy hair because they dont wash very often.
The hypothetical man (often a sinistercharacter who decided not to go to boot camp) that is doing your girlfriend/wife while you are on deployment overseas.
Ain't no use in goin home,
Jody's got your girl and gone.
Ain't no use in goin back,
Jody's got your Cadillac,
Ain't no use in feeling blue,
Jody's took your checkbook too.