What is Bails?
1.
A (very) slightly more discreet way of saying (weighing) scales, usually electronic, amongst the drug dealing community.
"Oi don't forget to bring the bails with you when you pop round to get that boom ting"
See
2.
To be hay.
Hey Bails.
3.
balls or testicles
"suc mi bails" (spanish)
"you love bails" (fairness)
