Green’s Dictionary of Slang

confused; esp. under the influence of drink or drugs.

1993		I. Welsh Trainspotting 55: They look at us, fuckin scoobied.
1994		I. Welsh ‘A Blockage in the System’ in Acid House 81: We jist looked it each other. Every cunt wis scoobied.
2009		T. Black Gutted 43: When they saw him for the first time they were scoobied. Totally stunned. It was as much a surprise to them as it was to me.
2012		(con. 1980s) I. Welsh Skagboys 47: Spud has two expressions: totally-scoobied-as-to-what-the-fuck’s-going-on and the constantly-on-the-verge-of-tears look he is currently displaying.