dirty old man

1. 1.

   a middle-aged man with lecherous inclinations

   Broadermiddle-aged man

Questions about dirty old man

What does dirty old man mean?

dirty old man means "a middle-aged man with lecherous inclinations".

Is dirty old man a common word?

dirty old man is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.