Etymology: New American English, a combination from the Old English words chin and testicle;
Location: North suburbs of Chicago;
1: An abnormally large cleft chin, where the two lobes of the chin resemble testicles.
a: Used as an insult. <"Hey, chinsticle!">
b: Used to identify someone, <"Over there, next to the guy with the chinsticle.>
go to wmaxwell.com / chinsticle.html to see a pair of chinsticles. remove the spaces in the link.