bobby

noun6

1. •
   (UK, slang) a police officer

   • If I am wrong, and if Lessingham’s wrong, how do you explain his extraordinary insistence on taking it inside the cab with him, which the bobby describes? — 1897
2. •
   A calf that is slaughtered in its first month, usually because it has no mother or because it is undersized or otherwise defective.

   • The following is the Victorian code of practice as it refers to the welfare of bobby calves. — 2002
3. •
   (slang) Cocaine.

   • Bro I’m booky, I’ll take your food if my belly starts rumblin They rap about bootings, they ain’t blammed nobody Hold that properly when I bang that dotty I put sniff in a rex, and I slang that bobby — 2017
4. •
   (Scotland, slang) A penis.
5. •
   A banana that is extra small in size.

   • My kids like bobby bananas, but they're in plastic. — 2017
6. •
   (UK, slang) A railway signaller.