noun
short joke; quick one-liner
Refers to a brief, punchy joke or comedic bit, often used in stand-up or variety shows. The 一発 suggests a single, impactful delivery.
彼は一発ネタで会場を爆笑させた。
He had the audience roaring with laughter with a quick one-liner.
一発ネタだけでは芸人として長続きしない。
You can't last long as a comedian with just short jokes.