Shitty and infantile. Derived from "meconium", meaning "the firstfeces of a newborn infant."
The students felt self-righteous and dignified as they petitioned their principal for longer recess, but in reality their grievances were petty and meconious.
A person who likes to mind other people's business;intentionally observing profiles on Facebook with the intent to find out the person's business and talk about it with other macos.
Rhonda is a very macocious woman, she is always up in my business.
Boy she could real maco people profile on facebook.