Top Definition
Jovial term for an errected penis.

Pronounced bone-ub. Best pronounced with an asian accent

A great word for pranking asians etc who struggle to understand english. Go to your local take-away or corner shop and ask for a bonub. See how many weird replies you get e.g polos, sugar donut
Person: Have you got a bonub
MacDonalds asian worker: sugar donut!?
by slyurbanfoxlikecreature June 17, 2011

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