Newest of new age garbage to grace western culture...a hip new way to simply say Girlfriend or Boyfriend. Other half is a term used by those whom destroy all of their own individuality and reinforce partner worship as if they would not be complete without them thus upon break up its impossible for them to survive alone.
Craig: Hey Dad this is my other half Susan!
Dad: Stop being a new age faggot and just say its your damn woman!
Craig: Dad relax were getting married but I am taking her last name because I respect her so much, shes my goddess who tells me how to live and breathe I would just die without her!!
Dad: I have no son...I have a daughter in a lesbien relationship