noun Slang. 1.a preoccupation, fixation, or psychological block; complex: His hang-up is trying to outdo his brother.
2.a source of annoying difficulty or burden; impediment; snag: The most serious hang-up the project has is a shortage of funds.
3.a fixture,
object, or decoration that can be affixed to a wall, ceiling, other objects, etc.:
He brightened up the room with flower baskets and other hang-ups.
Also, hang·up.
Origin:
1955–60; noun use of verb phrase hang up