I was giving my old lady a facial and I was so backed up that most of my nut landed in her hair causing some serious mancrete.
by OceanReefer January 3, 2011
The combination of Man and Secret. Knowledge that is privileged, solely shared among men, and intended to be concealed from women.
Bro, don't tell my wife that I bought a sports car because she suffers from lower back pain and won't want to ride in it. That mancret will destroy the sale of all future sports cars if women find out.
by organicluv September 12, 2009