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slang Describing the act of sharing something, especially the cost of something, in equal proportion between two people. You wanna go halfsies on the bill? I don't feel like cooking tonight, let's go halfsies on a pizza instead.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
mod. with each (of two) paying half. (see also go Dutch.) Let’s make it halvsies, and I pay for the parking, too.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.