Bangin Brian 

someone who thinks he's the coolest, hottest guy in the universe but isn't

The guy I hooked up with last night was totally a Bangin Brian.....don't tell anyone

Bangin Brian by The shizzle April 23, 2005

Brain Banging 

When a group or person dances and you have to go back and and see what they did because you didn't understand it

I.aM.mE ABDC 6's Winners dance style, Every time they dance they are Brain Banging .

Brain Banging by TheBrainBang June 28, 2011

Finger Banging Your Brain 

Picking your nose

Jake: Haha, what does it look like I'm doing?
Alex: Dumbass, your finger banging your brain again.

Finger Banging Your Brain by Hackedranger October 12, 2011