The type of sex that you have with someone else when you just broke up with your boyfriend/girlfriend.
Rachel decided to have post break-up sex with her close friend Dan so she could try to forget about her ex.
by thatGirlwiththehair March 13, 2011
1. when you have just dumped or been dumped, and you are feeling majorly low, and all you wanna do is sit around and cry and eat chocolates and strangle the teddy bear he gave you...
2. if you've just been parted from something you majorly love, and you're really down about it.
2. if you've just been parted from something you majorly love, and you're really down about it.
"dude...i'm suffering from PBUS"
"damn it! i can't believe i'm not the play is over, i'm having theatre PBUS!"
"damn it! i can't believe i'm not the play is over, i'm having theatre PBUS!"
by converse_kid February 19, 2004
when ur so bummed about just bein dumped by the person you loved, that you start acting like a total retard
by giz May 25, 2004