prisoner to other prisoner, prisoner 1: oi, how did you sneak that mobile phone in here? prisoner 2: i banked it mate
if you have banked something this means you have concealed an item in your vagina or your anal pipe to hide and or smuggle without detection
"prisoner to other prisoner, prisoner 1: oi, how did you sneak that mobile phone in here? prisoner 2: i banked it mate" What is the definition of "banked"?