where your boob and armpit meet, the little awkward chunk of meet that sticks out of your sleeveless and/or strapless shirts.
"Ew what is that hanging of your shirt?!"-Lucy
*points to boopit*
"Ooooh that! That's my boopit!"-Marge
*points to boopit*
"Ooooh that! That's my boopit!"-Marge
by R4Nd0MStR4NG3R March 16, 2011
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