/ ˈbləʊaʊt; NAmE ˈbloʊ-/ noun
1.
an occasion when a tyre suddenly bursts on a vehicle while it is moving
SYN puncture :
to have a blowout
2.
[ usually sing. ] ( informal ) a large meal at which people eat too much :
a four-course blowout
3.
( NAmE , informal ) a large party or social occasion :
We're going to have a huge blowout for Valentine's Day.
4.
( NAmE , informal ) an easy victory :
The game was a blowout, 8–1.
5.
a sudden escape of oil or gas from an oil well