fathead vs twat

fathead

• An idiot; a fool. 

• A blobfish, Psychrolutes microporos 

• Any of several species of fish of the genus Cubiceps 

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

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

twat

• A contemptible and stupid person, idiot. 

• The vagina or vulva. 

• To hit, slap.