When two jacked midgets paint themselves orange and you have to parallel park between them.
You can find a human parking cone at New York's hottest club, Blitzen!
"Acronym meant to confuse."
This is posted in places on the internet purely to create confusion. Then they'll go to urban dictionary to look up the meaning, and see it has no meaning. When this happens, the person who originally posted it succeeds.
Person 1: I cannot wait for tomorrow. It is gonna be so fun.
Person 2: Totally! I am super excited!
Person 3: amtc
Person 1: What?
Person 2: I don't get it...
Persons 1 & 2: *Go onto urbandictionary and look up amtc. They then facepalm.*
Your an idiot.
Posted on the internet to when someone acts foolishly or says something completely dumb.
Pronounced 'Yay' and said with enthusiasm.
Person 1: Do you know the capital of Luxembourg, in Europe?
Person 2: Wait, I thought Europe was a country...
Person 1: YAI!
Person 2: Is that like Chinese or something?
Person 1: *Facepalm*