As expressed in QC comic 2098, Aggressive Passivity is the act of taking Passivity to the "next level" in an effort to express your high level of self-control and ability to Keep your shit together.
This differs greatly from Passive Aggressive as such that when one is Passive Agressive, he/she is expressing thatt hey don't know how to control the situation and are merely lashing out cautiously/subtly in any way they can.
Please refer to the aforementioned comic strip for full context behind Aggressive Passivity
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