We're some one sticks ones toe up his or her partners nose during sexual intercourse.
"Oh yes baby! I'm ready for some sletting now."

"I heard Joe and Tammy were sletting last night"
by Blood Default November 26, 2011
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"We need to sleep asap"
A shorthand term condensing the above phrase into a single word. It's one character shorter than sleep, so slightly easier to type. But its success comes from being significantly more enjoyable to say. Origin was from a typo on a Minecraft multiplayer map.
Chatbox:
Player one: 'slet'
Player two: 'okay, finding bed'
by a_nelly June 20, 2019
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Dutch slang expression for "dirty whore" or, more precisely, "dirty slut".
"Die vuile slet heeft mijn man geneukt." = "That dirty slut fucked with my husband."
by Gleufje March 20, 2017
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An ultra slet is a annoying slut. but way more a slut than a normal slut
She is a ultra slet.
Luuk is a giant ultra slet
by Jesus your m8 November 19, 2015
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