What's on your mug?

Someone who is incompetent/silly. Most if not all of these people are named Shannon. Shannon Morris to be specific.

Wow that girl is an idiot, she must be called Shannon Morris.

By Idiot (Shannon)

Somebody who does something incredibly stupid and is mentally capable of seeing that it is stupid.

Stop giving correct definitions on Urban Dictionary the thumbs down,you fucking idiot!

By never-you-mind

trump

Trump is an absolute idiot.

By kaethevirgin

You. You are an idiot

You are an idiot

By MioNaganohara

being Justin Bieber.

Lol I'm a idiot

By The Real Windows XP