A psychological condition in which a man in his
mid to late 50s appears to have lost his mind and drives everyone around him insane with his crabbiness, irrationality, and flash temper. He may exhibit a "blame everyone else" approach when he is in the wrong. He may exhibit opinions that are completely opposite to what he used to have (ie. voting
republican when he was a life long
democrat or becoming a male chauvenistic pig when he always support women's liberation.)
"Mom, Dad just yelled at me for taking out the
garbage. He
said I was doing it wrong and got irrationally angry,"
said the teenaged daughter. "Yeah, he's in Manopause. Nothing he does makes sense anymore," said the mom.