Top Definition
rainbow is the sign for gay/lesbian so rainbow love is the love shared between a pair of gay men or lesbian women.
Joe:I love you so much man! i wanna marry you!

Sargis:I love you too! But its not legal in California,Prop. 8 didnt pass!

Joe:God Damnit!

Destiny:Yup thats some rainbow love right there.
by KMlovesDH&spongebob! February 13, 2009
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