Parenthesis
qualifying or explanatory sentence, clause or word that writers insert into a paragraph or passage.
Sardonic
grimly mocking, sarcastic, satirical, mocking in humorous manner.
Satire
to expose and criticize foolishness and corruption of an individual or a society by using humor, irony, exaggeration, or ridicule.
Polemical
related to involving strongly critical, controversial or disputatious writing or speech.