g'd up from the feet up
Dressed like you just took a shot of GHB and still had time to put on your best outfit.
He looked like he had just taken a shot of GHB and also had a date with a celebrity.
He walked in like he had just taken a shot of GHB and was still trying to be cool.
He looked like he had just taken a shot of GHB and was also ready to fight a whole gang.