What is :u?
1.
A parody of other emoticons.
Like people who abuse "LOL" "XD" and other emoticons/abbreviations, :u serves absolutely no purpose. In fact, it merely takes up space. Abuse it wisely.
"hai guyz i would <3 to meet you lol XD XD "
"Get off my internets, pedo. :u
See 
2.
The face somebody makes when they charge their laser or get read to do a light beam attack through their mouths.
:U I'm charging my laser!
See 
3.
like a ":o" wich means u r surprised by somethin .. but even harder.. :U (it sux i know)
person1: the doctor told me im goin to die tomorrow
person2: omfg :U !!
See 
Random Words:
1. 
When a naked guy bends over and you see his asshole with his balls hanging down.
Mike dropped his towel and when he picked it up I saw .. 
1. 
noun:  the unfortunate physical aftermath of a night at McDonald's eating chicken McNuggets or any other greasy/oily/cheesy fast fo..