We found one dictionary that defines the word pass around the hat:

Phrases: to pass around the hat, more... ▸ Words similar to pass around the hat ▸ Usage examples for pass around the hat ▸ Idioms related to pass around the hat ▸ Wikipedia articles (New!) ▸ Words that often appear near pass around the hat ▸ Rhymes of pass around the hat ▸ Invented words related to pass around the hat