blast-off n.
(US)1. an orgasm.
![[US]](/static/img/flags/us.png "United States") | 5000 Adult Sex Words and Phrases. |
2. a thrill, a very good time.
 | Jonathan Winters Show [TV show] It’s going to be a real blast-off [HDAS]. | |
| After Hours 169: After the speeches, Macho, Puente, Celia, all of them got together and worked a jam session. Blast-off! Thought the joint was gonna fall down. |
3. attrib. use of sense 2.
| Movie Love 274: Nichols directs Shirley MacLaine to overdo the mother’s self-preoccupation; it’s a blast-off performance. |