Supersuperlative

Now, Cousin is an old maid, and a dreadful tidy woman. Like tidy women well enough, but can’t bear your dreadful tidy ones, because I am always in dread while on their premises, lest I should offend their supersuperlative neatness by a bit of gravel on the sole of my boot or such matter.

Source: wiktionary

A border State ratter, a former leader of the Democracy, now a leader of the ultra Abolitionists, openly advocates in the Senate a change of our Government into a Consolidated Democracy; yet no man of either party rebukes such supersuperlative folly.

Source: wiktionary

Hundreds of technicians went to work, a good part of Egypt’s population was hired, and vast areas of its territory were filled with the myriad activities of film-making in Hollywood’s grandest, supersuperlative manner.

Source: wiktionary