English

Noun

dirty old man ‎(plural dirty old men)

1. (idiomatic) An adult male - usually middle-aged or elderly - who acts in a lecherous or lewd manner.

   The young women in the bar turned their heads in disgust when that dirty old man began to wink and smile at them.

   • 1969, The Beatles, Mean Mr Mustard:

     Always shouts out something obscene / Such a dirty old man.

   • 1991, Robert M. Pirsig, Lila:

     If you didn't go for Lila you're some kind of prissy old prude. If you did go for her you were some kind of dirty old man.