When after you've told a humorous joke, someone interjects with an unfunny comment and kills the moment.
After Zac told his excellent joke his Dad chimed in with a lame comment that killed the humour and bombed the joke. "Your always Joke Bombing, Dad"
by Tuttifruittimum January 17, 2018
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It's a joke bomb when you hear the joke and don't laugh right away... but a minute later boom you are laughing your head off.

It's a delayed reaction. You hear the joke and you don't react that it isn't funny, you just experience a delayed reaction, either laughing or by saying "OMG I get it!" - just doesn't twig right away.

AKA JOKE GRENADE.
Comedian: PUNCHLINE.

Audience: Laughs.

You: Silent..
You: Sudden guffaw...
Friend: Ha HA - Joke Bomb!
by annamaryse December 1, 2007
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