wiggle (v.) Look up wiggle at Dictionary.com
early 13c., perhaps from Middle Dutch or Middle Flemish wigelen, frequentative of wiegen "to rock," from wiege "cradle," from Proto-Germanic *wig- (cognates: Old High German wiga, German Wiege "cradle," Old Frisian widze), from PIE root *wegh- "to move" (see weigh). Related: Wiggled; wiggling. The noun is attested from 1816.