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Sploingable is a term used by professional memers to describe their dankest friend's sister. Similar words include: Sploing, Sploinged and sploinging. To sploing someone is to cum or fuck really hard inside your dankest friend's sister.

It can also be used to describe your dankest friend's sister in a very erotic, sexual manor.
Oi wagwan, your sister is proper sploingable init fam.
Your sister is proper fit so I sploinged here last night.
Jake's sister makes me so horny, I wanna sploing her so hard
*knock knock* Don't come in, your sister is getting a sploinging.
by Ally Kappa June 18, 2017
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