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
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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
by CletusAligator May 11, 2008
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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
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