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1.
a dutch milkshake is when you are having anal sex with 2 girls and you nut in the one girls butt. after u nut, u pull out and the 2nd girl inserts a straw in her butt and sucks it out. thus making a dutch milkshake.
dude that bitch totally just ate a dutch milkshake.
by Spencer Fitch April 03, 2008