In a blustering or boastful manner; haughtily.(adverb)
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Use "bigly" in a sentence
"And so we come to the apology, complete with a self-aggrandizing reference to how "bigly" Limbaugh personally finds his action and also the ever important caveat that it only stands "if" in fact he is wrong."
"Guess there was no time to check out those other sources before you opened your "bigly" mouth and put your pompous right foot in it."
"At the court of King Arthur there came a young man and bigly made, and he was richly beseen: and he desired to be made knight of the king, but his over-garment sat over-thwartly, howbeit it was rich cloth of gold."