This guy

[Couch Potatoe]

a phrase said emphatically when someone says or does something incredibly stupid. used to show disbelieve

[Justin Bieber]

Used to signal idiocy in others by fabricating a sympathetic audience or camera, accompanied by looking in the other direction and gesturing towards the person at fault. Not specific to males.

[Tanya Shivari]

a way of saying no he didnt; oh wow; i cant belive you just did or said that: what you said was funny.

[Little_Girl]

used to address a friend when he/she does something funny/silly.

[Jessica]

Punch-line for one of the greatest jokes ever.
Whats got 2 thumbs

[Couch Potatoe]

Oneself. Typically used after a person rhetorically poses a question about himself. Users of the phrase generally point to themselves with their thumbs while they say it.

[Tanya Shivari]

What you say when someone does something stupid or something to draw attention to themselves in a less than desirable manner. Usually accompanied by a single or double underhand point and no other verbal context.

[Tanya Shivari]

Usually the life of the party. When This Guy (or occasionally That Guy) walks in, you know shits about to get good. Hes liked by everyone, has killer dance moves, and just all around fucking rocks out with his cock out. He has the funniest stories, the dirtiest jokes and can swoon any lady he wants.
Usually is wearing something suave.
Occasionally could be a Garden Gnome.

[Donald Trump]

A way someone refers to another person (the subject) in third person, implying their opinion of they are simply amazing or a downright retard. It is usually in a conversation after the incident had occurred.