A person who you identify as a your twin whom isn’t related! Has the same interests, habits and crazy mindset as you. Usually a Twinny is a person who you slag off constantly but is still your best friend.
Josh you are an evil minded Bitch just like me! You’re definitely my Twinny!
by Misslucy January 19, 2019
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An fantasmagoracle, amazingly beautiful twinny who you get along very well with and you constantly try and be better than BFFS (usually boy and girl)
"look at that chick!, yea man shes my twinny ;) "
by sparkle.dude June 22, 2012
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Twinny is twinny because twinny twinny.
Gibbs: Don't forget to turn on your twinny telepathy!

Sarimolita: Indeed, I won't!
by gibbstwinnyfordawinny January 19, 2020
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Twinnie - A word that has a lot of meaning behind it , your ROD , your diary , one of your closest friends && you will do anything for them ! (said by Trinity && Legend)!!
“Oooouuu twinnieeee yhu loookk gooodaaa”
by Trinity && Legend April 27, 2019
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two really cool people who think the same and are really awesome
you my brother from another mother, you're my twinny.
by twinnnnnyyyy September 21, 2010
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