Top Definition
Oral copulation with your navel. Using your tongue to lick and penetrate your belly button if you have an innie or licking and sucking your outie. A strange pseudo-sexual practice that has no pornographic value.
Jerry was always embarrassed about his 2-inch outie, but he was the envy of his friends when he showed them his autonavelingus skills.
by sonnyvegas July 10, 2011

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