A face with the mouth wide open, which is generally used to represent an element of surprise. Can also be used for “mock shock”, as it is le http://emojipedia.org/face-with-open-mouth/

• Strongly affected, especially favourably
• Strongly affected, especially favourably.
• Deeply or markedly affected or influenced
• Feeling that something unexpected has happened.
• Unexpected.
• Feeling or showing surprise because taken unawares or suddenly.
• Caused to feel surprise.
• Caused to feel surprise, amazement or wonder, or showing an emotion due to an unexpected event.
• Taken unawares or suddenly and feeling wonder or astonishment
• That is or are a surprise.
• Causing surprise or wonder or amazement
• Causing surprise or wonder or amazement.

• Change one's facial expression by spreading the lips, often to signal pleasure
• Cause to be surprised
• Impress greatly

• Feeling that something unexpected has happened.
• Unexpected.
• A sudden unexpected event
• Part of the body at the front of the head
• The face is a central organ of sense and is also very central in the expression of emotion among humans and among numerous other species.
• Faces are the central sense organ complexes, for those animals that have one, normally on the ventral surface of the head.
• The front of the human head from the forehead to the chin and ear to ear
• The front part of the head, featuring the eyes, nose, and mouth and the surrounding area.
• Mouths are a part of the anatomy constituting the first portion of the alimentary canal that receives food and saliva.
• The opening through which food is taken in and vocalizations emerge
• A body cavity
• First portion of the alimentary canal that receives food