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1.
A male with overtly large mamary glands, resembling that of a womans breasts. also called man-breasts or man-tits or man-baps.
Jay is a bap boy. That man is a bap boy
by james February 15, 2005
 
2.
a man with large mamary glands, usually assosiated obiesity, has larger than average breasts.
jay is a bap boy. that guy is a bap boy.
by james February 25, 2005