blep

Etymology
.

Verb

 * 1)  To extend the tongue beyond the lips, seemingly for no reason, without opening the mouth fully.

Noun

 * 1)  The act of extending the tongue beyond the lips without opening the mouth fully.
 * 2) * 2015, "Digital Mews", The Cat Magazine, Winter 2015, page 9:
 * We found out why cats do this and collated some of our favorite blep moments.
 * 1) * 2016, Jeremy Moule, "Reddit co-founder: You've got to suck to succeed," CITY Newspaper, 19 October 2016 - 25 October 2016, page 5:
 * The social media site is a sprawling series of discussion boards, ranging from deep debates on sociological theory to pictures of cats with their tongues half out (a “blep”).