Tickling is the act of touching a part of the body so as to cause involuntary twitching movements and/or laughter. The word `tickle` evolved from the Middle English tikelen, perhaps frequentative of ticken, to touch lightly. The idiom tickled pink means to be pleased or delighted. In 1897, psychologists G. Stanley Hall and Arthur Allin described..... Found on http://en.wikipedia.org/wiki/Tickling
(from the article `humour`) Why tickling should produce laughter remained an enigma in all earlier theories of the comic. As Darwin was the first to point out, the innate ... Found on http://www.britannica.com/eb/a-z/t/48
Denoting a peculiar itching or tingling sensation caused by excitation of surface nerves, as of the skin by light stroking. ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
Type: Term Pronunciation: tik′ling Definitions: 1. Denoting a peculiar itching or tingling sensation caused by excitation of surface nerves, as of the skin by light stroking. Found on http://www.medilexicon.com/medicaldictionary.php?t=92070