a follower or dependent; specif.,
- a person who joins another, some group, etc. although not wanted
- a sycophant; parasite
Origin of hanger-onfrom hang on + -er
A person who spends time in the company of another person or of a group out of admiration or for personal gain.
- One who hangs on, or sticks to, a person, place, or service; a dependent; one who adheres to others' society longer than he is wanted. - Oliver Goldsmith
Agent noun of hang on.