Dadaism

noun

1. A cultural movement that began in neutral Zürich, Switzerland, during World War I and peaked from 1916 to 1920, which involved visual arts, literature (poetry, art manifestos, art theory), theatre, and graphic design, which concentrated its anti-war politic through a rejection of the prevailing standards in art through anti-art cultural works.
2. a nihilistic art movement (especially in painting) that flourished in Europe early in the 20th century; based on irrationality and negation of the accepted laws of beauty