Pull the trigger (on something) phrase
To make a final choice or judgement after thinking and talking about what is the best thing to do, or to stay with and completely support a particular course of action (about something).
There is no time left to sit on the fence - you have to pull the trigger on whose side you're on.
I will consult an expert before pulling the trigger on how to proceed.
He couldn't sway me with his arguments, so I still pulled the trigger on the deal.
The verb "pull" must be conjugated according to its tense.
The origin of this phrase is not clear.
Someone or something that tends to be unpredictable
Harry was always the joker in the pack at school.