dirty joke(n = noun.communication) blue joke, blue story, dirty story - an indelicate joke;
is a kind of gag, jape, jest, joke, laugh

blue joke, dirty, dirty bomb, dirty dog, dirty language, dirty laundry, dirty linen, dirty money, dirty old man, dirty pool, dirty story, dirty trick, dirty tricks, dirty war, dirty word, dirty work, ethnic joke, joke, play a joke on, practical joke, sick joke, take a joke, visual joke