coming up roses
"Coming up Roses" supposedly means the flash of blood that shoots into the syringe when you shoot up on heroin.
Dude! I'm coming up roses... Ahh, that's better.
It's all coming up roses
1. (V.) A phrase meaning that everything is turning out okay. Usually used after you reveal that something really horrible happened, or as sarcasm.
1. "Got in a street fight, with the IRS, and I'm alright, took one to the chest, but I'm fine, It's all coming up roses." - Hedley