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when a girl has her period. used in the movie clueless by cher.
girl: i'm riding the crimson wave
boy: no fair! how come u get to go surfing?
by ema7 February 19, 2006
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May 12 Word of the Day
When someone goes to the gym and spends 90% of the time on their phones scrolling through social media
Looks like its thumb day again for Jimmy with his usual routing... 3 sets of 5 snapchat selfies and 10 sets of scrolling through facebook until exhaustion
by Gary br April 02, 2017
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When a woman is on her period.
Man, I hate riding the crimson wave. I get so bloated. . .
by Synthetikax May 05, 2007
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