A squib load, also known as a squib round, pop and no kick, or just a squib, is a firearm malfunction in which a fired projectile does not have enough force behind it to exit the barrel, and thus becomes stuck.

Will a squib cycle the slide?

Yes, a squib will cycle the action, loading the next cartridge.

Why is it called a squib?

Origin of the phrase "damp squib"

Often misheard as "damp squid", the phrase "damp squib" has since come into general use to mean anything that fails to meet expectations. The word "squib" has come to take on a similar meaning even when used alone, as a diminutive comparison to a full explosive.