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a girl's asshole

slang for anal sex
When the red river's flowing, you better take the Brown Canal.
by Yodex June 07, 2004
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2
Taking a shit in your companions nostril then blowing as hard as you can into the other nostril until the shit leave out of her mouth
Hey babe let’s get dirty, let’s make a brown canal
via giphy
by Pim doses butt cheeks March 12, 2019
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