The word every girl uses to explain why they did a stupid or a bad thing in the past. Usually the person who uses moodswings as a cover is a bitch.
by Realistic duck November 30, 2015
by R.O'S October 14, 2005
an extreme, rapid series of emotions that leave everyone involved including the person who is experiencing the emotions confused, disoriented and/or confused
Becky went from calm to sobbing to gleeful to pissed to dispondent all in one day. This frustrated and confused her parents, friends and Becky herself. They experienced moodswing whiplash.
by lfc3457 December 13, 2009
A Manhattan Moodswing begins when you are fucking a girl in the ass and you sense a sudden mood change for no apparent reason. You then lift a nearby cinder block over the girl's head and knock the bitch out. You then flip her over and start doing her hardcore in her limp vagina.
Haidyn: Zoie, what the hell is that on your head?
Zoie: I'm not sure, but I think I received another Manhattan Moodswing.
Haidyn: Damn, he knocked you the fuck out.
by Tee Nasty November 24, 2010