bun

noun17

1. •
   A small bread roll that is sweetened or spiced.
2. •
   A bread roll that is served with a savoury filling such as a hamburger or hot dog.
3. •
   (Northern-England) Any bread roll.
4. •
   A roll of hair worn at the back of the head.
5. •
   [in the plural] (US, slang) A buttock.

   • nice buns
   • tight buns
6. •
   (informal) Clipping of bunny (“rabbit”).

   • She brought home two new buns to join the menagerie!
7. •
   (Ireland, Northern-England) A cupcake.
8. •
   (slang) A young girl or woman.
9. •
   (Caribbean, slang) marijuana cigarette, joint

   • Man say that they spray the fire I fuck that shit, I drop the bun — 2018
10. •
    (UK, slang) A drunken spree.
11. •
    (slang) The vagina.

    • How 'bout I put my hot dog in your bun? — 1996
12. •
    (Internet) A newbie.
13. •
    A Korean unit of length equivalent to about 0.3 cm.
14. •
    (dialect, no longer used) A bunny: a rabbit.
15. •
    (dialect, no longer used) A squirrel.
16. •
    (dialect, no longer used) The scut or tail of a hare.
17. •
    (dialect, no longer used) A dry stalk.

verb4

1. •
   To form (the hair) into a bun.

   • Bunning her hair, she left her childhood bedroom for the hall. — 2014
2. •
   (Caribbean, slang) To smoke cannabis.
3. •
   (slang) To shoot.

   • Don't care about your crew, bun them any day — 2004
4. •
   (slang) To forget.

noun1

1. •
   Initialism of blood urea nitrogen.