n. The mouth.A variant of moun, maun — that is, must.n. One of a band of dissolute young fellows who, in the reign of Queen Anne, swaggered by night in the streets of London, breaking windows, overturning sedans, beating men, and offering rude caresses to women; a Mohawk.n. A dialectal variant of man, used indefinitely for both numbers of the third personal pronoun (he, him, they, them).n. A familiar term of address applied to persons of either sex and of any age: usually at the end of a sentence and practically expletive: as, mind what I'm tellin' you, mun.