Top definition
A suppositwat is a vagina that you can put in your ass. Paris Hilton first coined this term when she was only 6 years old.
"You know what all the rage is in Hollywood?"
"Whats that?"
"Suppositwatting."
"Huh?"
"Lemme show you."
*watches the video*

"AHHHHHHH! MY EYES!!!! SOMEONE BLEACH MY EYES OUT!!!! SWEET MERCY, JUST PUMP BUCKETS OF IT INTO MY EYESOCKETS!!!"
by BadummTISS October 22, 2010
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