2)The act of becoming so intoxicated by alcohol that the simple act of standing up becomes a mighty challenge.
I'M MASH UP!!
Let's all get mash up!
(1) To be stoned or drunk
(2) To look raggedy or beaten-up in appearance
(3) A mix of different music tracks to produce a new track
(2) Jeez, he looked so mashup after they caned his ass.
(3) The track 'A Stroke of Genie-us', is a mashup of Christina Aguilera's "Genie in a bottle" with The Strokes, as is 'Get Your Bootleg On', which is a mashup of a Missy Elliot track (Get ur Freak on) with Eminem's "Without Me".
For definition (1) mashup is a synonym of one meaning of caned, along the lines of being very drunk or stoned, whereas for definition (2), caned means beaten.
Definition (3) is also a synonym for a type of music also known as bastard pop, cut-ups or blends.
Rifts: mash-up of cyberpunk, high fantasy, horror, post-holocaust, and new-age mysticism
Cthonian Space: mash-up the Cthulhu Mythos with space opera.