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Sister-In-Law

Wifes sister, brothers sister.

also see SILF - Sister In Law I'd Fuck
"Man, Your SIL is Smokin hot"
by EVP January 22, 2008
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Jul 19 Word of the Day
the art of remembering an arousing occurrence or some porn you watched while masturbating, often handy if you have no porn or your in the shower
dude i had the best memory wank the other night, i was thinking about that time I walked in on your mum in the shower
by fonzatron2000 April 28, 2007
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2
An abbreviation for Strong Independent Lady.

a) Term used to protect a woman from being called a derogatory name.

b) Term used as code for a mean, mean, witchy, shrew of a woman
You: "Man, my boss is such a $%^&!"

Them: "No she is just a Strong and Independent Lady and you just can't handle that."

You: "Yes! thanks for High Roading me there. You're a SIL too!"

Them: "Thanks!"
by Grymm Deth September 30, 2009
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4
something that is described as being cute, little, lovable, italian, gorgeous, and so on. Used when describing a person you feel affection towards.
Myles is such a sil! or Love you sil.
by lil em March 10, 2008
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5
Seizure in laughter, similar to lol.
"Why did the girl fall off the swing?"
"I don't know; why?"
"Because she had no arms, duh!"
"OH, SIL! SIL SIL SIL!"
by srrh August 07, 2004
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6
My husband hadn't texted me back, so I just went to lunch alone with my SIL.
via giphy
by shortysyndrome32 June 02, 2017
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