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)

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

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!

Irish word talking about a way to cook some spuds by breaking them down. Adopted by Jamaicans to describe breaking up other people's tings.

If he dont bring my weed im gonna mash up im bloodclaat yard

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".

to destroy

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