rainbow yawns
the act of yawning while on hallucinogenic drugs that increases the feeling of pleasure and can sometime cause the person to see rainbows.
My friend loves when he smokes dmt and gets the rainbow yawns.
Yawning Rainbows
Pukeing. Esp. Projectile Vomiting into the open air.
"I had some of the dollar a scoop chinese buffet, topped with a few beers, and ended up Yawning Rainbows all afternoon"