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The act of complete outward satisfaction sharing many similarities with the act ejaculating.
Ie. That Girl was so good, id love to gince all over her.

or

Id let him gince all over my face

or more commonly used on its own when an attractive member of the opposite sex walks past... 'Gince' and both parties would usually nod in conferance.
by lw0808 December 09, 2010
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