Top definition
During sex while doing it doggy style, as the male comes to reach his climax and ejaculates between the womans buttcheeks, and the male spanks the womans buttox from both sides making a thick, milky mess (better after the woman takes a long poop without wiping,{the rio vista CHOCOLATE milkshake ;).})
STEVEN: Dude, my sheets are ruined from that Rio Vista Milk-Shake :)
RYAN: WOW! :) Vanilla or Chocolate
STEVEN: Smell my sheets! you tell me :)
by rio vista milk-shake July 08, 2011
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