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
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.
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.
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.