double rainbow

A double rainbow is a phenomenon of optics that displays a spectrum of light due to the sun shining on droplets of moisture in the atmosphere.

"Woah, that's a full rainbow, all the way. Double rainbow, oh my God."

double the rainbow

slang for having sex

So last night my boyfriend and I were about to double the rainbow but my mom called and killed the mood.

Double Rainbow Raise

When a person uses every color of chip two times on one raise during a game of poker; mostly in Texas Hold 'Em.

Oh my god... Double Rainbow Raise... Double Rainbow Raise all the way across the table...