Barlow

1; A loud, almost incessantly rude individual who brings comic relief to a situation, but can also create tension.

2; a person who commits a random or insane act of stupidity which leaves some in disbelief.

3; a Bitch.

1; "Dude, that guy who just screamed 'asshole' is a total Barlow"

2; "Did you see that? he just ran across the highway. What a Barlow."

3; "Andrew is cool sometimes, but mostly he's just a Barlow."

Buttchin

A cleft chin, normally shaped in a way resembling a human butt

My red headed friend has a huge buttchin