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1.
PBC
Acronym and slang phrase for Palm Beach County Florida.
by Anonymous October 28, 2003
 
2.
PBC
stands for Period Butt Check

code word for girls to check with each other if they have a leak
girl 1: hey pbc?
girl 2: (follows behind girl 1) nah, you're good

girl 1: omg pbc asap!
girl 2: we have a problem! get to the bathroom immedietly!
by gijrgjgewgiwiwhnefnjwfiw February 16, 2011
 
4.
PBC
Parents. By. Computer
Parents. By. Cell

-phrase used when trying to get out of a conversation about subjects your parents would not allow either on a computer or on a cell phone
Hey man you wanna buy some chron?
Not now! PBC
True Say...

Wanna get crunk tonight
ill call you back later PBC
Gotcha!
by CletusAligator May 11, 2008
 
5.
PBC
Acronym for "Post-Bowl Cigarette".

A cigarette smoked shortly after marijuana which intensifies the high and relaxes the smoker. The combination of Delta9-tetrahydrocannabinol and Nicotine alkaloids triggers an almost instant addiction, however this addiction only affects the user while in a high state. Basically, the body becomes addicted to Nicotine alkaloids, but only when Delta9-tetrahydrocannabinol is present in their bloodstream.
Colin: "You know what time it is?"
George: "It's time for a PBC"
Ross: "PBC Motha Fucka! 355!"
by George D^4 March 07, 2006