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Definition of Billy
1. Noun. A short stout club used primarily by policemen. 
2. Noun. Male goat.
Definition of Billy
1. n. A club; esp., a policeman's club.
Definition of Billy
1. a short club [n -LIES]
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1. Noun. A short stout club used primarily by policemen. 
1. n. A club; esp., a policeman's club.
1. a short club [n -LIES]