o//

It is a head with one arm. The two slashes show the movement of the arm. So it's a way of waving someone as goodbye.

It has been around for more than 10 years but isn't used very frequently.
Often the shorter version o/ is used instead.
Frank: I g2g to bed now.
Lee: Okay, sleep well. Bye o//
Frank: o//
by l00n3y February 18, 2017
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Japan 'o Clock

The hour in video games where Japanese players are the most active. Expect to get absolutely destroyed by players who are 10x above your skill level.
Friend 1: "Man, we're getting absolutely destroyed by the enemy team every game now!"
Friend 2: "It's more than likely Japan 'o Clock at the moment."
by MysticTactician May 14, 2022
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tac-o

Ron: geez I love tac-o!!!
heck just go and buy it
by iloveuforever;-; November 27, 2020
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o-o

S u p r i s e d F a c e
My friend: I just bought a X-Box
Me: o-o
Me: Wha-
by O-o-t-u-m November 12, 2020
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o-o

s u p r i s e d f a c e
by O-o-t-u-m November 12, 2020
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o-o

A Hawaiian bird that's probably extinct.
P1: Have you heard of an o-o?
P2: No, what's that
P1: I dunno either, but it has a funny name.
by tiky May 21, 2021
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O-O

Its 2 comlicate for ur mind dawg
Let me put in word you understand Fook
Ok nubs
Taco Bell: NUBS WE HAV FOOKING NACHO FRIES DAWG
McD's: We have Nachos
Taco Bell: SO BASIC
McD's: O-O ok....
by YOINKADOINK January 26, 2020
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