What's on your mug?

Old term describing a hippotamus penis.

Adam being a huge goober tonight.

By Harry

A dumb person that thinks they are right when they are not. A goober is someone who fights you on everything for no reason.

Cisco is a freaking goober, dude. He won't let me watch hentai.

By FonyTierro

a horny bastard

You are such a goober, go take a cold shower!!!

By Lizzy

Ugly, tall, lanky male. Often has pimples the size of South Africa and a disgusting protruding mouth (and gonorrhea).

Boy 1: I know you've never hooked up with anyone, you're too ugly! Goober: ARE YOU SERIOUS?!

By Reid Parker

1. A fat or unattractive person. 2. Someone highly annoying and/or stupid.

"That fools a straight goober" "Damn that girl's hella ugly. She's a goober."

By Euless