1. the act of paying half of something.
2. a shared cost
1. Hey Neil, let's go splitsies on a case of beer.

2. Kate, you still need to pay your splitsies from last weekend.
by Katie McIntyre December 01, 2005
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To split and share in a friendly manner especially with pizza
Jamie and Ellie splitsied the pizza Jacob brought them.
by Jamaroobee December 11, 2015
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