Adverb
gigantically (comparative more gigantically, superlative most gigantically)
In a gigantic manner.
So blend the turrets and shadows there That all seem pendulous in air, While from a proud tower in the town Death looks gigantically down. Edgar Allan Poe
As a fundraiser, I once wrote back to a gigantically overstuffed fundraising mailing I received (in the days of mostly hard-copy) to say that the giganticness of the mailing had had the opposite effect to the one intended. Source: Internet
It wasn’t “nice” or shapely bottoms that Lucho had been after, but gigantically obese ones. Source: Internet