Top Definition
A mentally paralyzing disorder usually afflicting a female coworker. Symptoms can include, but are not limited to, downright stupidity, inability to make rational decisions, possible involvement in sorority life, lack of communication skills, exuding premenstrual attitudes 97.5% of the month, mildly attractive (but not really), complete absence of driving abilities, and a few months from realizing she needs AA.
1) I feel so sorry for Emily, she has Stupid Bitch Disorder.

2) Friend 1: She is such a BITCH!

Friend 2: Yea, I think she has SBD.

3) I don't want to hear about your SBD, just do your fucking job... correctly this time.
by NicksADick July 29, 2010

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