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One partner in a committed relationship that is incapable or unwilling to carry their fair share of the burdens in the relationship: to whit, child rearing; child pick-up/drop-off; household chores; caring for elderly parents; grocery shopping etc. etc. Thereby, making themselves an unfair burden on the capable partner in the relationship. The functional equivalent of another child.
Friend #1
I'd love to go to Happy Hour with you. BUT my Husband took the afternoon off to play Golf, so I have have to pick up both kids, go to the store AND cook dinner.

Friend #2

He's such a Peer Child
by ATX-DUDE July 16, 2009
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