oneshot

Short definition from Wiktionary

Verb

1. 1
   To kill or destroy with a single hit; to instakill.
2. 2
   To rapidly overwhelm and gain influence over (someone).
3. 3
   To successfully complete a task in a single try.

Adjective

1. 1
   Alternative form of one-shot.

Noun

1. 1
   Alternative form of one-shot.