Ok, very brief history of frank and BB.
A few years ago frank did some game called "name that primitive" or something like that where he would put up a partial picture of a primitive; a hand, a foot, an arm, etc..., and we tried to guess who it was. In the case of BB he put up a pic of her boobs, which are quite large, but not unusually so for a female whose carrying around an extra 200+ lbs; you know what I'm talking about.
For whatever reason, she came over here and starting running her mouth about it. I don't remember the details since what she said didn't interest me, but others might remember. Since then, a "running joke" is that frank has a thing for BB. That's pretty much it.
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