snap your cap
to lose your sanity; lose control of yourself.
Hey buddy, calm down! Don't "snap your cap"!
Snap Cap
The act of masterbation without lubrication. Usually followed by a dry fire because of pint up sexual tension.
Cindy didn't come through last night so I had to bust a couple snap caps. First was a dry fire but the second cap hit the motherload.
snap cap
(noun) a dummy round, typically used while training with a firearm to avoid potential damage to a firing pin. Often has a spring-loaded dummy primer in the case of center-fire guns.
If you don't have a snap cap for your .22, you can use a yellow drywall anchor.
Snap and Cap
When clearing the bowl and capping the bong to clear the remains.
Take a huge hit and snap and cap the bong!