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When you nut in your hand and slap your mate in the face.
What a cunt! John just gave me a slimy sally!
by Enigma7896 June 29, 2018
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A fat ugly girl whom is jizzed upon during the eating of an apple.
She was sitting under the apple tree and someone randomly slimy sally'd her.
by Dirty Sanchez June 05, 2004
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