An old person, esp a man, who is broken down and physically debilitated: That old crock still plays tennis?
[1880+; crock is found in several Germanic languages as ''a broken-down horse''; noted in 1969 as medical slang for a neurotic complainer]
"I know the old crock—trotter," scorned the true riding jockey.
"Poor old Lizzie, she's a dear old crock," I murmured to myself.
You mean to run away and leave her alone with an old crock of a father?
Pa hardly listened to the old crock, preferred to dream of New York and the success his Lily would achieve there!
"Let the old crock go on till she busts," I muttered inwardly and opened up to avoid an oncoming thunderstorm.