Mr. Big loves getting in shape and working his ass off at gym. In his next gym session with a handsome gym instructor… things get way too horny! Instead of his triceps, Mr. Big worked on his gym instructor’s tiny asshole! See Mr. Big reach for his trainer’s crotch, before rimming and stuffing that tight asshole with his massive dick! Watch the legendary 12 inch cock at work in this full length episode right here at Mr. Big’s Adventure and get to own tons more of full and exclusive videos!