1 definition by JKong

verb. To lower one's voice; to stop yelling, whining, complaining, etc. To partake of marijuana utilizing a pipe or bowl.
1. "Pipe down over there! We've heard enough of your bitching and complaining all fucking day today."
2. "You kids better pipe down, or else when your father gets done with his phone call, he's gonna be whooping some little asses!"
3. "Hey bro, meet us behind the shed in like 30 minutes man.....me and Mike are gonna 'pipe down' on some cronic dude ...."
by JKong October 1, 2013
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