a blast
 

* 1.a great time

2.a lot of fun The students were having a blast until the teacher walked in

English Related Words* air blast

* air blast circuit breaker

* at full blast

* atomic blast

* blast

* blast area

* blast crisis

* blast deflector

* blast draught

* blast effect

* blast furnace

* blast furnace cement

* blast him

* blast hole

* blast injury