Definition of bust a cap
bust a cap 
verb
- to fire a bullet; SHOOT.
I'm going to bust a cap in your ass.
by D.J. Pabst, Stroudsburg, PA, USA, Dec 19 1997.
notes
- The "percussion cap," introduced around 1830, was used to make muzzle-loading rifles fire reliably under any weather condition. (It replaced the flint.) The firearm's hammer would strike the cap, which would ignite the gunpowder, which would expel the bullet. The percussion cap gave way to the primer in modern breechloaded (rear-loaded) firearms. The primer is attached to the back end of the cartridge.
by William G., Tucson, AZ, USA, Oct 28 1999.
Discover slang words with the same meaning:
Slang terms with the same root words:
- cap: brown-cap – cap – (show 10 more)
- bust: bust – bust a bitch – (show 32 more)
- a: 12 points short of a pica – a – (show 530 more)
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