one who is very heaty. someone who engages in many criminal acts.

A fart that emits heat as it exits your a-hole

When your coffee is getting cold or low, and you only want a little more in your cup.... you need a heater.

head, dome, brainz.

A heater is a dog in heat and wanting to get the freaky on with another dog.

describes something that is face meltingly amazing.

used more by girls to describe guys as extremely hot and buff.