dadaism

Concise Oxford English Dictionary © 2008 Oxford University Press:
Dada /ˈdɑːdɑː/

▶noun an early 20th-century international movement in art, literature, music, and film, repudiating and mocking artistic and social conventions and emphasizing the illogical and absurd.

– derivatives
Dadaism noun,
Dadaist noun & adjective,
Dadaistic adjective.

– origin Fr., lit. ‘hobby horse’, the title of a review which appeared in Zurich in 1916.