shoot first and ask questions later

ask after

To enquire about the health or progress (of someone).

ask around

To enquire of different people about something.

ask for it

To provoke an unwanted action; to invite a problem or fail to prevent one.

ask for the moon

To claim or desire something that one cannot have.

ask my arse

A common reply to any question; once common at court and among sailors, under the name of "selling bargains".

ask round

To enquire of several people.

blink first

To be the first party in some situation to give in or back down.

cast the first stone

To act self-righteously in accusing another person, believing oneself to be blameless.