Deadly meaning something is really cool ,brilliant awesome the best
Omfg that rihanna concert was deadly

Sue: I know absolutely she was DEADLY !
by Mrs Jeffrey May 24, 2021
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Irish and Australian Aboriginal slang for awesome or cool.
The Irish and Aboriginal Australians have some things in common that don't involve being oppressed by the British, such as using the phrase "deadly".
by pakiyeetus August 8, 2022
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Deadly is a word for eltra deadly people only. Old kokos will drive drunk on 4 wheelers. If you dont see Deadly kokos on the rez . Rez dogs will eat you
Hey cuz, did you see that "Deadly" koko walking driving by
by deadlyKoko December 15, 2020
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Relates to the eyes. Looking askance, the most disapproving glance. When one casts that "deadly" look your way like you just said the most horrific thing possible and they wish to murder you in the most terrible ways but doesn't need to because the it's like the look alone could kill you. Consists of a scowled brow and retinas looking from the corners of the eyes with the whites of the eyes barely visible due to over-squint.
Her: "Ew, what a hoe, just look at how she's dressed..."
Him: "That's a Micheal Kors, looks quite classy..."
Her: /wants to kill him for disagreeing and it's apparent
Him: "Ahhhh with the deadlies! Love me, babe!
by NoamChomskyWearingAStrapOn September 18, 2016
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(Me) “ hey cousin i think your deadly

(Cousin) “ naaaaaa Holayyy Assssifffff”
by Half native boy December 9, 2019
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Slang meaning dope cool or fucking awesome
Guy 1 you that car is deadly

Guy 2 no duh it's a Bugatti
by Al Capone 77 July 14, 2018
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rez way to call someone deadly. like when ur sister is going on a 10-day bender, or ur friend is jus snagging all the aunties
holy fuck you're deadly. settle down bro
by frgywrld !! July 30, 2023
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