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The word yo with a "p" in it. Originally a typo resulting from the proximity of the letters "o" and "p" on the keyboard, and the ease with which such keys can mistakenly be struck simultaneously when solely one key was intended, "ypo" is now considered the more proper way to greet someone whilst chatting on AIM. See also pwnt.
AimUser1: yo
AimUser2: ypo
AimUser1: "ypo"?
AimUser2: "yo" with a p in it
ypo by Ariooo January 3, 2009
Related Words
YPOS ypoc YPodding YPOGJF ypohst yportne Ypotf ypou YPOW fujck ypou
Young Pretty Officer
A young pretty officer who is just eye candy when going out to eat, these are not dates. A good looking girl with a good looking meal.
No serious relationship is formed with a YPO
A YPO will usually go out with a smart and attractive male. Helps fuel his ego.
Did you hear that Mo has another YPO
Apparently he takes YPOs out for their birthdays.
YPO by Trainer Mathew November 18, 2020
YIU PAK ON is not a great guy . He’ll always be there for you if he needs your help , he may have huge flaws but his friends love to play with him. Yiu Pak On is a 50% great guy in general , he’ll try to help you on easy jobs such as play video games and watch F1 . He’s very loyal when it comes to work, he’s a bit shy when he’s pooping but that’s what makes him so adorable . His sense of humor is limited to himself.
You are such a YPO , I’m not playing with you next time
YPO by Chan Ho 01 November 22, 2021
The opposite of entropy
The last law of thermodynamics.
Defined as that a closed system in lowest possible energy will go back to high once it reaches that point.

12/19/07

It was conceived, and thus prevented the universe from ever fully ending.
Oh shit, all the energy of the universe has run out, whats gonna happen???

YPORTNE!

And then there was nothing, and from nothing....
yportne by Matt Yale January 8, 2008

fujck ypou 

A common misspelling of "fuck you", typically written by a raging keyboard warrior.
an41: FUJCK YPOU STUPID
n0p3: alrighty then
fujck ypou by Nope.co.uk June 11, 2016
Mistaken spelling of the word 'you'

Often used on purpose as it sounds and reads funnier.
ypou smell of poo
ypou by Fate April 21, 2003