Ceterarist Share definition Flag A fan of Peter Cetera and/or Chicago, like how a 'Fanilow' is a Barry Manilow fan. My fiancee wants "You're the Inspiration" as our wedding song. She's a total Ceterarist. Ceterarist by Librarian Mike June 6, 2011 0 0 Get merch Get the Ceterarist mug. Buy Now — $32.95 See more merch
