We found 4 dictionaries that define the word be for the birds:

General (3 matching dictionaries)

1. be (strictly) for the birds: Cambridge Advanced Learner's Dictionary

Miscellaneous (1 matching dictionary)

2. be for the birds: Idioms

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