See these entries from the HipHop Dictionary

bent
1) (v) Drunk. "It doesn't matter if I'm dead sober or I'm bent" -- Heltah Skeltah (Therapy [??]).
2) (v) Sad. "You got me bent like elbows, amongst other things" -- Outkast (Aliens [???]).
http://www.anthonyvitti.com/hiphopdictionaryb.html

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And I very vaguely remember a R&B song "I've got nine on it" or was it "five on it" or was it ...oh never mind.