Top definition
1. When a man and a woman are fucking the bed, but not each other, and the male counterpart is about to rape the woman, he shouts out "Slipperoo!"

2. A magical rapist kangaroo.
Man: "Want to go fuck that bed with me?"
Woman: "Hmmm...Okay."

(One minute later)
Man: "Woopsi-daisy. Slipperoo!"
Woman: "Oh, no! Why do I keep falling for this?"
by Mouth Organ March 12, 2008
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