Defining the state of a man who is displaying irrational oversensitivity in his thoughts and feelings. Oftentimes connected to his manstrual cycle or related to his relationship problems.
Jeff: sniff, sniff, I just thought she really liked me!
Shane: Man-up a-hole. Why you being so manmotional?
Jeff: I don't know *tear *tear *tear... I am manstruating.
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