When one girl walks in to find TWO girls (not sluts, of course *cough cough*) waiting for one boy to return with body shot materials (aka Lemons) a countdown commences giving said girls and said boy enough time to save their lives before punching bitches in the breasts begins
5...4...3...you do NOT wanna meet me, I'm a HUGE bitch!...2...1 *girls run screaming out of the room scared as SHIT*
Dude, did you see that Bitch Switch Countdown in room 6532 last night?!
by Ashley, Allison, and Carter April 17, 2006
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Its a very comon occurance. When a a woman is dating a man, and its almost "the time of the month" usually at this time she is experiancing pms. She may be have the cramps, but the over all bitchy attitude is coming from the man.
Woman: How was you day honey?
Man: Fine, Im Suprised you care.
Woman: Well i got really bad cramps so im going to lay down
Man: you would do that fatty
Woman: Hmm i got the cramps and you got the bitch

Roommate: THE PMS BITCH SWITCH
by the mix up September 2, 2011
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When a girl ignores you for a period of time, then is all up on you after you do her friend.
Man So she didnt want none then I got with her friend and now she wants it. Thats a damn good bitch and switch
by Scott Z November 18, 2004
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We are getting too many phone calls coming in, where is the switch bitch?
by Dan July 12, 2005
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Person with whom one may have intercourse with while being on a "break" with it's stable partner
Manuel: I haven't had sex since two hours ago when I got in a fight with my girlfriend.

Xzibit: Damn nigger we gots ta gets you a switch bitch.
by tupacyupanqui October 22, 2008
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A woman who goes from being awesome and friendly to a complete bitch faster than you can blink. In these women, it will seem almost as if a light switch is flipped inside of them and BAM! they will morph into bitchy bitches.
(In the weight room)

Girl coach: How was your night?!
Athlete: Great thanks for asking!
Girl coach: WHY AREN'T YOU DOING ANYTHING?! GET TO WORK DAMMIT! YOU'RE SQUATS ARE TERRIBLE!
Athlete (to fellow athlete): Coach is such a light-switch bitch.
by Alison Von October 17, 2010
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When you’ve been talking to a girl for so long and you get to know her so much and then all of a sudden she switches up on you turns into a different person and makes you hate her. .....the light switch Bitch.... here one second; gone the next.
The Light Switch Bitch is the girl that you have been talking to you makes you feel like you know her, then out of nowhere she switches up on you .

Friend: don’t worry about her, Tanisha just a light switch bitch...it’z what she do
You: I know but she made me feel like I was the only one. I gave her all my energy and time. Then her personality DIPPED!

Friend: wow what a light switch bitch!
by Twitch: TTVDeepReef February 25, 2021
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