Brandnew 

Brandnew is when someone acts as if they are the shit and better than someone else. It could also be used to described a person who used to act one way but now acts totally differnt.

" I don't know why that bitch wanna act all brandnew now that she got a man."

Brandnew by Cherry* August 27, 2006

Brandnew 

Acting brandnew is when you screw up something that you should full well know how to do. It can also mean being afraid to do something when all of your other friends are up for the challenge.

" Why you being a bitch? You actin' real Brandnew right now!Or, "How the hell you spilled my drink? Damn, you Brandnew".

Brandnew by Janeiro Brown May 9, 2006

Brand New Trombone 

A Brand New Trombone is analogous to a Rusty Trombone, the difference being that with a Brand New Trombone the receiver has a bleached anus.

Adam told me that ever since he bleached his anus, Jeff can't stop giving him the Brand New Trombone.

Brand New Trombone by NawlinsD September 2, 2009

brand new 

acting a certain way or displaying characteristics that are not congruent with one's normal behavior.

"You acting like you don't know what's going on, but you're just acting brand new".

brand new by Bellaza86 April 19, 2009

Brand New Secondhand 

A newly purchased item that has been previously owned. Only new to its now current owner!

Nice bike, Brand New Secondhand?

Brand New Secondhand by LordNomad May 12, 2011

Acting brand new

The act of becoming someone who you are not, or showing out for a certain group of individuals.

What happened to him? He’s acting brand new.

Acting brand new by muffmunchingronburgandy July 8, 2020

Acting Brand New

When a person displays that they are better than their friends, or treats their friends indifferently, especially where there has been a relationship of good standing previously; hence the term 'new'. i.e. without any history with you.

Why Jamie acting brand new like he don't know nobody? Just be cause he got a car don't mean shit, we practically grew up in the same house and yesterday he said he couldn't come over my house because it has a garage. I was like, well what about all those other 1000's of times.

Acting Brand New by Fredderickson J October 30, 2008