1. eat like a bird - Verb
2. eat like a bird - Phrase
eat like a bird (third-person singular simple present eats like a bird, present participle eating like a bird, simple past ate like a bird, past participle eaten like a bird)
(colloquial, simile) To eat in small amounts rather than in a single full meal.
Since I had my gastric bypass surgery in 1998, I eat like a bird. Unfortunately, that bird is a California condor. Roseanne Barr