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.
by chicagobears1 April 6, 2011

When a person uses every color of chip two times on one raise during a game of poker; mostly in Texas Hold 'Em.
by thepen15mightier December 31, 2010

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.
by LoliYandere League of Legends December 31, 2016
