We found one dictionary that defines the word prop someone/something up:

General (1 matching dictionary)

1. prop someone/something up: Oxford Learner's Dictionaries

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