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1. Any of numerous European and North American birds having pointed wings and a long tail
    
2. Someone who is a stupid incompetent fool
   - fathead [informal], goof [informal], goofball [N. Amer, informal], bozo [N. Amer, informal], jackass, goose [informal], zany

1. Repeat monotonously, like a cuckoo repeats his call

1. Informal or slang term meaning insane, strange, eccentric or stupid
   - balmy [archaic, slang], barmy [slang], bats [slang], batty [slang], bonkers [slang], buggy [N. Amer, slang], cracked [slang], crackers [slang], daft [Brit, slang], dotty [slang], fruity [slang], haywire [slang], kooky [slang], kookie [slang], loco [slang], loony [slang], loopy [slang], nuts [slang], nutty [slang], round the bend [slang], around the bend [slang], wacky [slang], whacky [slang], doolally [Brit, slang], dippy [slang], daffy [slang], nutsy [N. Amer, slang], potty [Brit, slang], daft as a brush [Brit, slang], round the twist [Brit, slang], wacko [slang], dumbass [N. Amer, slang], bughouse [N. Amer, slang], mental [slang], barking mad [Brit, slang], barking [Brit, slang]

Derived forms: cuckooing, cuckoos, cuckooed

See also: insane

Type of: boofhead [Austral, informal], charlie [Brit, informal], cuculiform bird, diddy [Brit, informal], dill [Austral, NZ, informal], drongo [Austral, NZ, informal], echo, fool, galah [Austral, informal], juggins [Brit, informal], jughead [N. Amer, informal], mampara [S.Africa, informal], meathead [informal], moegoe [S.Africa, informal], muggins [Brit, informal], nit [Brit, informal], repeat, sap [N. Amer, informal], tomfool

Part of: Cuculidae, family Cuculidae

Encyclopedia: Cuckoo, Tasmania