When you blatantly diss or call out somebody you have a disagreement or problem with. stems from the term "Warning Shots"

when you're hungover as shit after a spending a night drunk as a skunk

(Interjection) - A reply given directly after a person gives a witty remark or serious burn.

Phrase used by law enforcement officers to communicate the discharge of a weapon to dispatch over the radio.

Saying an insult to someones face; Being straight foward

When you make fun of someone and make a joke about them. After you make a really good comeback it is customary for someone to yell "SHOTS FIRED". This is Aly's saying and Jack can't use it!