An expression of uncertainty. See ¯\(°_o)/¯

Represents twitching after seeing something disturbing

It's the official pedophile wink. Child molesters use this smiley in chat rooms to attract their prey.

Forest Whitakers facial expression

\o_ means "Respect" or Hats off to others opinion or point of view, consideration of others views and desires. Possibly incorporating it into your views or replaces your view. When you respect another, you factor in and weigh their thought or opinion into your's and balance it into your decision making.

This is a duck, it is formed on the internet by means of characters !

This face is usually used by those that are bored depicting that one is half asleep with one eye open.