I was at a loss to comprehend the meaning of their blushing and Giggling, and their apparent agitation, until I saw the red cloak of a gipsy vanishing among the shrubbery.
"Bracebridge Hall, or The Humorists"
Washington Irving
A few minutes later they came down-towsled, eyes heavy with sleep, Giggling at each other in girlish fashion.
"Brand Blotters"
William MacLeod Raine
You can, if you make up your mind to it, prevent yourself from either wriggling, pulling your foot away, or Giggling, when the sole of your foot is tickled; but if you happen to be at all "ticklish," it will take all the determination you have to do it, and some children are utterly unable to resist this impulse to squirm when tickled.
"A Handbook of Health"
Woods Hutchinson