Happens when too much drug use (especially crack, coke, or heroin) effects your facial features, causing your jaw to open loosely and sway back and forth (like it's broken). The result of potent drug use.
"Eye of the law, aspire for more
The kilos came, we gave you Bobby Brown jaw"- Pusha T (So Appalled)
by The Duh-Duh Man October 12, 2010
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