1. hang fire - Noun
2. hang fire - Verb
(of a firearm) To fail to fire immediately when the trigger is pulled.
(figuratively) To wait or hold back.
We were told to hang fire on the decision until management came back with a proposal.
hang fire (plural hang fires)
(firearms) The situation when a gun does not immediately fire when the trigger is pulled, but may fire shortly after.
The Rolling Stones scored one more top 20 hit on the Billboard Hot 100 in 1982, the No.20 hit " Hang Fire ". Source: Internet