Top Definition
When someone only has a number of available minutes during the week on their cell phone plan, so they don't answer their phone on peak time unless it's an emergency.
Girl 1: Did you call her yesterday?

Girl 2: Yes, but she didn't didn't answer; she's a minute conservative.
by soadfreak3284 August 21, 2011

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It means adjective meaning fast in actions and deeds.
Marimoto, is a minute conservative person, he is a fast replying Dr.
by anonymous May 18, 2017

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