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A term used to describe counterfeit goods of extremely high quality, so much so that they look identical to the authentic product.

Commonly used on r/fashionreps and among other counterfeit clothing communities.
Wow, Aooko’s β€˜Ray-Bans’ really are 1:1.

Just got some 1:1 Yeezy knock-offs from China.
by ultimateharibo June 03, 2018
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Jan 22 Word of the Day
Whenever making a congratulatory remark, this is what you say. Made popular by Kamala Harris when she and Joe Biden won the presidency.
Sam: Wow, I can’t believe we just won that relay race!
Cat: we did it Joe 😭😭
by Zozogabobo December 04, 2020
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Short cut definition for a one-on-one meeting between an employee and their boss. Commonly used in the subject line of an email or meeting request. Not intended as a formal meeting to review one's performance evaluation, this meeting is often only 30 minutes and is conducted weekly or every other week.
I had my 1:1 with Kevin last night down on the first floor conference room.
by AndrewMcL June 18, 2009
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Binary notation for rating the attractiveness of a female human. 0 is no, 1 is yes. First number indicates willingness to perform oral sex in front, the second number oral sex in back.

Technical details are beyond the scope of this paper.

"Damn, Minka Kelly is hot, definitely 1:1."
by PDGZ November 10, 2020
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