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Lindsay Lohan and/or being very colorful, radiating a similar positive vibe, generating smiles.
Originally she was refered to as Lindsay "Rainbow" Lohan because her fans imagined that's what she would smell like (like a rainbow). But since 'rainbow' can also be used to describe her appearance - in it being very colorful and radiating a similar positive vibe, generating smiles and so on, she quite simply became Mrs. Rainbow - a person able to bring colors into our lives and positive vibes into our hearts.
by Rooster Fitdse October 23, 2006
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