Ruining My High Share definition Flag Someone says something to fuck with your head, or piss you off, when you are stoned. "Joe did you spill that soda all over my floor?? what the fuck! You're Ruining My High" Ruining My High by Lufthansa January 11, 2008 0 0 Get merch Get the Ruining My High mug. Buy Now — $32.95 See more merch