noun
hit it and quit it; fuck and chuck; wham-bam-thank-you-ma'am
Slang, vulgar. Refers to having sex with someone and then immediately cutting off contact, often without any intention of a relationship.
あいつはいつもやり逃げで、最低だ。
That guy always hits it and quits it; he's the worst.
やり逃げされた相手が怒って連絡してきた。
The person he fucked and chucked got angry and contacted him.
Refers to a one-night stand without the strong implication of deliberately cutting contact afterward; やり逃げ emphasizes the act of disappearing after sex.
A sex friend or friends-with-benefits arrangement, which implies ongoing contact, unlike やり逃げ.
Compound of やり (from やる, 'to do' or slang for 'to have sex') and 逃げ (from 逃げる, 'to run away'). Literally 'do and run', referring to having sex and then fleeing.