Meaning of old goat

old' goat'

Pronunciation: [key]
— Informal. Informal.
  1. an elderly man who is disliked, esp. for being mean to or disapproving of younger people.
  2. a lecherous man, esp. one considerably older than those to whom he is attracted.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.