kitsch
Camp – Ostentatious style (late 19th century - current)
Thomas Kinkade - Another American painter whose works are described as kitsch.
Cliché – Idea which has become overused to the point of losing its original meaning or being irritating
Lowbrow (art movement) – Underground visual art movement
Poshlost – Russian word for a particular negative human character trait or man-made thing or idea