fathead

noun

1. 1

   An idiot; a fool.

   “You fathead! You forgot to put the milk in the fridge and now it's spoiled!”

2. 2

   A cyprinid fish of the Mississippi valley, Pimephales promelas, the black-headed minnow.

3. 3

   A labroid food fish of California; the California sheephead. Semicossyphus pulcher.

4. 4

   A blobfish, Psychrolutes microporos

5. 5

   Any of several species of fish of the genus Cubiceps