blow out phrasal verb ( see also ↑ blow )
1 . if you blow a flame or a fire out, or if it blows out, it stops burning:
The match blew out in the wind.
blow something ↔ out
Blow out all the candles.
2 . if a tyre blows out, it bursts
3 . blow itself out if a storm blows itself out, it ends
4 . blow your/sb’s brains out to kill yourself, or someone else, with a shot to the head
5 . blow somebody ↔ out American English spoken to easily defeat someone:
We blew them out 28–0.
6 . American English if you blow out your knee or another joint in your body, or if it blows out, you injure it badly
7 . if an oil or gas ↑ well blows out, oil or gas suddenly escapes from it
8 . blow somebody ↔ out to stop having a friendship or relationship with someone