When a girl is being especially bitchy for a long enough period of time that it can't be written off as being "her time of the month".
Guy 1: "Man that Christie chick has been a real bitch lately."

Guy 2: "I know she's really been dropping a B.
by germanmoosejockey April 21, 2010
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When a girl of interest casually includes the subject of her boyfriend in conversation. It's unexpected and requires you to reevaluate the current situation.
Boy, "So how was your weekend?"

Girl, "It was great, thanks! You would of thought it was funny. I got caught in the rain on the way back from my boyfriend's house!"

Boy thinking, "Damn, she was Dropping the B-Bomb. Oh well."
by dfunk-5 February 15, 2011
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texas area late 80's to throw your hands, to fight
Man did you see that cat's face, yeah somebody was dropping them b's on his ass.
by tajaun brown May 6, 2004
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the number one rizzly rizz rizzlers go-to line. gets me all rizzed up ong and i slide the addy. idk what to do after that though. i guess i pull up, rizz fr
Rizzler: damn peter you a baddie… drop the b and slide the addie 😎
Peter asf: oh shit
by rizzedest April 30, 2023
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