mash up 

v. To take elements of two or more pre-existing pieces of music and combine them to make a new song.
n. A song comprised of elements of two or more pre-existing pieces of music.

2. I'm in the middle of mashing-up songs by Tom Jones and Michael Jackson. (verb usage)

1. I'll play my mash-up of Tom Jones and Michael Jackson at the club tomorrow night. (noun usage)

mash up by some1 August 7, 2003

Mash Up 

1. To take 2 completely different types of music and putting them together.

2. To completely destroy, wreck or mutilate.

3. A cacophony of the senses. Adj.

1. eg. Linkin' Park / Jay Z

2. eg. "His face was mash up after that fight".

3. eg. "That song was so mash up it gave me a nose bleed".

Mash Up by FCB_87 May 18, 2006

mash up 

1. The act of mashing up. Getting drunk / high.

2. A term used to describe people associated with such actions, due to them being unable or unwilling to perform usual tasks.

1. wanna have a mash up tonight?
no, im too mashed.

2. you seen mark? he hasnt been in classes all day.
man, that guy is a total mash up.

mash up by Stephen DeVincenzi February 3, 2008

Mash up 

Opposite to 'Fix up' a saying bought to most people living out side London by Dizzee Rasscal. Mash up in London basically can be applied to anything that is broken/useless/shit

South West Trains should be called South West Mash Up Trains

Mash up by Hugh Janus September 16, 2004

mash up 

to destroy

When the police come to stop the fete everybody jus start run and the whole place get mash up

mash up by TriniGirl December 4, 2002

mash up 

Same meaning as wordmashedword, as in some one who is completely intoxicated.....usually on drugs of any kind beside alcohol.

Don't give him any more, he's mash up!

mash up by Rizladizla July 20, 2003

Mash Up 

1)Someone who is so intoxicated by alcohol that they are unable to master even the simple act of standing up.
2)The act of becoming so intoxicated by alcohol that the simple act of standing up becomes a mighty challenge.

Last night, he was mash up!

I'M MASH UP!!

Let's all get mash up!

Mash Up by dan258 December 8, 2003