[bust] a cap
1
to shoot bullets from a gun
The idiom "bust a cap" is believed to have originated from street slang in the United States, particularly within urban communities. It is used informally to mean firing a gunshot or using a firearm to resolve a conflict or intimidate others.
- He threatened to bust a cap if anyone came near his property without permission.
- He once busted a cap to protect his family from a potential threat.
- Last year, the gang members busted a cap to assert their dominance in the neighborhood.
- If the intruders don't leave, he will likely threaten to bust a cap to protect his property.
- In the intense negotiation, they are willing to bust a cap and walk away from the deal if their demands aren't met.