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1.
Another pronunciation of Twenty
I got like two hundred an' twenny dollars in my account
by KingTT December 29, 2003
 
2.
Form of Currency.
In England, a slang term for a twenty pound note (£20.00).
1. "That twenny's got my name on it."
2. "I lost twenny in a bet."
3. "She bought fags in bulk with her twenny."
by IceIceIceHockey March 23, 2004