We found one dictionary that defines the word when the balloon goes up:

General (1 matching dictionary)

1. when the balloon goes up: Collins English Dictionary

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