Nigglywiggly Share definition Flag (Noun) The small strip of paper that comes inside a Hershey's Kiss. I was eating Hershey's kisses when I noticed one had two nigglywigglies. I made a Nigglywiggly mustache with them. Nigglywiggly by Arkem April 14, 2010 Get the Nigglywiggly mug.