A small horse; a pony.
Someone or something that nags.
A persistent, bothersome thought or worry.
An old, useless horse.
A repeated complaint or reminder.
To bother with persistent thoughts or memories.
Anyone would think that I nagged at you, Amanda! (From Amanda! by Robin Klein)
a nagging pain in his left knee
To repeatedly remind or complain to (someone) in an annoying way, often about insignificant or unnecessary matters.
The notion that he forgot something nagged him the rest of the day.
To bother or disturb persistently in any way.
A racehorse that is considered to be one year old until a subsequent January 1st.
A sophomore at West Point military academy.
An animal that is between one and two years old; one that is in its second year (but not yet two full years old).