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1.
The fat underneath the chin that creates the effect of double chins, triple chins, and so on. Similar to a turkey's wattle, the extra skin under a turkey neck, for older people.
"Ew, take a look at her gittle, I think it has a little hair growing from it."

"Watch her gittle when she talks, it wobbles."
by gittleson101 February 14, 2010