When a man who is normally quite kind and level headed, goes completely moody and rude for a couple of days. They will have all the moodiness and irritability of a girl on her period, hence MANstrual cycle.
Person 1: Jeez, what's going on with Jim? He's never this moody.
Person 2: it must be his MANstrual cycle.
Person 2: it must be his MANstrual cycle.
by livelyliv September 01, 2013
The most amazing boyfriend in the entire world. Someone who manages to make me smile, just by looking at me. Someone I couldn't stand to be without and someone I love with all my heart. Trevor is the most amazing person in the world.
by LivelyLiv March 07, 2011