1. smash and dash - Noun
2. smash and dash - Verb
smash and dash (third-person singular simple present smashes and dashes, present participle smashing and dashing, simple past and past participle smashed and dashed)
(slang) To have sexual intercourse and leave immediately afterwards.
smash and dash (plural smashes and dashes)
(slang) An act of sexual intercourse after which one immediately leaves.
I'm not looking for a long-term relationship: I'm okay with an occasional smash and dash.