One who embraces the ball sac so much that they proceed to munch furiously on them till the recepient's legs begin to wobble and they let loose a tornado of jip liable to find residence in any of the givers apertures.
Me balls are red raw. That one with the big lips is some scrotmuncher
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi