The phrase "serial adulterer" refers to someone who consistently and frequently engages in cheating or infidelity within their romantic relationships. Full definition
Of course, Serial Adulterer Gingrich DID mention orphanages a few years ago... (religion.blogs.cnn.com)
They were even going to take serial adulterer and liar Newt Gingrich over rMoney. (religion.blogs.cnn.com)
Republican Party Presidential Candidates The dedicated, conservative and fiscally responsible political entity has morphed into a bizarre - clique of religious fundamentalists, paranoids, fact - benders, creeps and serial adulterers. (canadianbusiness.com)