What does "dirty joke" mean?

A joke with a morally objectionable or obscene punchline.

What is a synonym for "dirty joke"?

Common synonyms include: blue joke, blue story, dirty story, double entendre, fun, gag.

noun

noun ·Rare ·Advanced level

Noun

1
A joke with a morally objectionable or obscene punchline.
"The old woman left the concert because she was disgusted with the comedian's dirty jokes."
2
an indelicate joke wordnet

"The old woman left the concert because she was disgusted with the comedian's dirty jokes."