1. to take decisive action with no certainty of the outcome
2. To make a decision that may very well require inflicting a result that is detrimental to self or others.

to make an irreversible decision.
akin to shooting a gun- once the bullet leaves the barrel it is on its path.

To purchase something, often a big-ticket, expensive item. Often used by geeks on enthusiast forums.

To force oneself to puke by sticking a finger down the throat...used in the drinking sense, rather than the bulimic sense.

To initiate positive change in a new romantic relationship. This could take the form of telling someone you like them, asking someone on a first date, or kissing them. Pulling the trigger can also be shortened to p.t.t.

Basically means " time to end this once and for all" and used when a situation is so intense that there's only one thing to do to finish it. Used mostly in a work discussion situation, or a friendship or relationship that you just have to end.

Someone made a gay tik tok with this catch phrase now its given me cancer. Thanks.