Sister in-law

Is a sister much like an evil step sister
that you get pasella when you marry the idiot that you thought was the love of your life but is actually a lazy motherfucker who still needs his ass wiped by his mommy. Anyhow Sister-in-law is nother like a sister most of them are fat ugly bitches that should just die horrible painfull deaths. To narrow it down they are ugly bloodsucking wankers.
5 years ago:
Bianka: Hi my name is Bianka I love your brother.
Sister in law: You are not good enough for my brother he deserves to be with someone like Britney Spears.

Today
Sister in-law: OMG my brother deserves better.
Bianka: o go fuck yourself ugly bitch I think he deserves Britney spears they are both useless fuckers that are soooo stupid and they both have smelly arm pitts.
by ma se tjops August 28, 2008
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Sister-In-Law

see also PITA
a) the female sibling of a person's husband or wife.
b) a troublemaking sibling of your wife who spends all waking moments trying to cause trouble between you and your wife.
c) (WVA only), see Aunt Gladys.
My sister-in-law, Danielle, kept encouraging my wife to dump me.
by ADubbs July 01, 2005
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sister-in-law

Your up there but you know you really shouldn't be.
In golfing terms shanked a shot, lands on green next to pin.
" My god that was a bit of a sister-in-law"
by Slaine March 19, 2007
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sister-in-law

1. The wife of one's brother.
2. The sister of one's spouse.
My sister-in-law is a good person.
by Elivaldeq November 24, 2019
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sister-out-law

The sister of my girlfriend/boyfriend. For when you're not in a lawful/legal relationship with someone, but still have a close relationship with their relatives. Relative-In-law is a legal relationship. Relative-Out-law is a relationship with no legal standing.
Man, my sister-out-law is hella cute.
by Willuknight November 01, 2017
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co-sister-in-law

My co-sister-in-law is a good person.
by Wonbig October 13, 2021
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double-sister-in-law

Brother’s wife and spouse’s sister at the same time.
My double-sister-in-law is a good person.
by Rwopazaq November 24, 2019
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