We found one dictionary that defines the word a hang up:

Miscellaneous (1 matching dictionary)

1. a hang-up: Idioms

▸ Words similar to a hang up ▸ Usage examples for a hang up ▸ Idioms related to a hang up ▸ Wikipedia articles (New!) ▸ Words that often appear near a hang up ▸ Rhymes of a hang up ▸ Invented words related to a hang up