paradoxism

from The Century Dictionary.

• noun The habit of using paradox.

from the GNU version of the Collaborative International Dictionary of English.

• noun An avant-garde movement in literature, art, and philosophy, based on excessive used of antitheses, antinomies, contradictions, oxymorons, and paradoxes.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun an avant-garde movement in the arts etc, based on heavy use of contradictions and paradoxes founded by F. Smarandache in 1980s.