Congratulations to Eugenie Bouchard just became the first Canadian, woman or man, to reach the finals of a Grand-Slam singles. Earlier today she lost 6-3, 6-0 to Petra Kvitova at Wimbledon.
These two images of Ms. Bouchard are of course similar - yet different. It is a fundamental premise when interpreting body language, signals must not be evaluated in isolation.
When the tongue is projected straight out in what is commonly termed a tongue jut (although not always visible as in the image above, it is usually gently pressed on by the teeth) and depending on the other nonverbals with which it is clustered - can indicate, "I've been bad", "I've been foolish", "I just got away with something", "I got caught" as well as a form of a self-depreciation/humility expression and even excitement.
A tongue out to the side will indicate intense focus and concentration. Very often there is an intent that has a physical component about which is to be carried through upon. In a business-negotiation this can be seen in the context of a disparity between what is said and what is (clandestinely) intended.
See also:
Nonverbal Communication Analysis No. 2874: Truck Driver Calls Out Cop for Speeding and Talking on Cell Phone
Nonverbal Communication Analysis No. 2576: Chris Brown's Body Language - a Signal of Psyche's Suppressing Emotions ... and Anger and ....
Nonverbal Communication Analysis No. 2547: Amanda Knox's ex-Boyfriend Raffaele Sollecito, Piers Morgan Interview, Body Language Tells and Avoiding the Othello Error
Nonverbal Communication Analysis No. 2665: Nick Saban's "Tongue in Cheek" Body Language - What Does It Mean?
Nonverbal Communication Analysis No. 2796: Olivia Wilde, Butter, Jon Stewart and the Tongue in Cheek - Body Language
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