We found one dictionary that defines the word hold on to your hat:

Miscellaneous (1 matching dictionary)

1. Hold on to your hat: Idioms

▸ Words similar to hold on to your hat ▸ Usage examples for hold on to your hat ▸ Idioms related to hold on to your hat ▸ Wikipedia articles (New!) ▸ Words that often appear near hold on to your hat ▸ Rhymes of hold on to your hat ▸ Invented words related to hold on to your hat