1. Bird-Brained Describing someone who lacks intelligence or makes stupid decisions

2. Birdbrain; bird-brain; Birdbrained; bird-brained; bird-dog; birdie; birds and the bees, the; bird's eye view; birds in their little nests agree; birds of a feather; birds of a feather (flock together) birds of a feather flock together; birds of a feather fly together; birdseed; bird's-eye view; bird's-eye view, a; …