1) n. A smiley face, originally used as an emoticon, representing "ridiculous childish glee". Also known as "Awesome Smiley".

2) v. To pull a facial expression similar to an AwesomeFace, especially as a reaction to something awesome, funny, or that otherwise creates a feeling of "ridiculous childish glee".

That smiley you always see on the Internet. Search on Google Images to see the one I mean.