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Usually a college student, or person otherwise aged so that promiscuous behavior is tolerated, that hooks up, has sex, or plays chess with so many other likewise-aged people that a chart is needed to keep track of all the partners.
1: So I hooked up with Brian last night, and John on Friday.

2: Ooooh, you're such a chartkeeper.
by helpimtrappedinatauntaun January 30, 2011
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Oct 3 Word of the Day
I couldn’t care less (but one must keep up appearances, right?)
Frenemy has a family tragedy. "Thoughts and prayers."
by November 05, 2018
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