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1.
The art of placing a womans tit/boob/breast into a mans anus. This is a fairly difficult task often needing a regular sized breast that can be easily manouvered to enter the butt hole of the man. It is entirely the mans decision what is done with the breast once insersion is complete
"my girlfriends gives the best tits in the bum"
"ah god my b hole still hurts after i got my tits in the bum"

"Brian: wow look at the cans on her!
John: They are lovely, but far to big for my bum
Brian: i would be able to cop that tit"
by Glenn Derr December 20, 2011