[BJClinton]

Do you ever consider that a pun could be so bad the entire universe would simply cease to exist?

[nuke rocketeer]

I've been searching for that pun. The better half tells me sometimes that if I don't stop pun-ishing her, she might kill me.

[Chanticleer]

I'm not sure it was a pun, but the lethal joke helped us win WWII. Funniest Joke in the World