a mash-up is slang for a get together of similarly minded people so that they might partake in the consumption of drugs and/or alcohol. people on a mash-up get mashed.
mash-ups usually take place at night, but usually go on well in to the morning of the following day (they tend to wind down when the alcohol/drugs run out). unlike a cotch, mash-ups can take place anywhere, in or outside.
H: YOOOOO MAAAAAAAAAAAAAAAAN, on for a phat mash-up tonight?
M: YEAAAAAAAH BLID, let me ring fattypants whitworth and the filthy pikey, see what they's sayin'
H: bring some shroooms blud
M: wouldn't be a mash-up without them
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(of a DJ) to play a set that excites the crowd
That was mash up me bredrin!
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To make a hot drink
your going to ''mash up''
''I'm going to mash up, do you want a coffee''
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Getting drunk, then high, then awesomely stupid for a period of indeterminable length, but generally must last at least an evening plus all night and some of the morning. Mash-up heads will take anything to increase the length of time to talk nonsense. Evening ends with possible bed wetting episode or discussion about love/drugs/energy/music. Pizza is often ordered the next day.
-Me gonna get mmmmmmmmmmmash-up.
-"Is that Tom over there fucking up his mixes, he sure is a shit deejay."
"Cut him some slack, he is mash-up."
-Look, its my day off tomorrow and I wanna get totally mash-up.
-"Mash up, get me crack up, on the rack up, shut up and smack up, on a track up" Apocryphal song attributed to someone who is mash-up creating a new and awesome track.
-You look mash-up.
-Mum, I got fuckin mash up last night.
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A sexual act involving three people whereby a man has intercourse with a women assuming the doggie-style position and a third person (man or women) inserts their hand into the bottom of the women and gives the man a hand-job from the inside.
-how'd you go last night buddy?
-awesome. Got myself a Milwaukee Mash-up after dinner.
-about time!
When the music paying from two cars sounds like one song.
While driving and listening to house music, the rap lyrics in the car next to me made a perfect traffic mash-up.