Colloquialisms, sayings, & Slang
Anta - Tapir
To call someone a tapir is to question their inteligence. It can be a light and playful way of poking fun such as if someone had a brain fart moment or it can also be used more harshly. Think calling someone "dummy" or "dum-dum" vs "idiot".
Gato/Gata - Cat (male/female)
Calling someone a cat is the Brazilian equivalent of saying someone is hot/foxy/a total babe.