A smiley used when one has just proven one's stupidity. Representative of poking one's eye out. Often used when unnecessarily bringing up an awkward conversation again.
A metaphysical cross between >_> and ._.
And no, <_. is not a legitimate substitute, neither is ._> or ._<
"I think you lied"
"No, I was seriously not insinuating that!"
"I meant about the brb"