Top definition
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.
Guy 2: "I know she's really been dropping a B.
by germanmoosejockey April 20, 2010