In an ostentatiously self-confident manner.(adverb)
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Use "jauntily" in a sentence
"His was the gait of the wolf, smooth, tireless and effortless, and at the end of fifty miles he would come in jauntily ahead of the horse."
"The logical end of this unholy union of advertising ideas means that all the band/football/etc. parents bedeck themselves in jauntily-supportive orange."
"His was the gait of the wolf, smooth, tireless, and effortless, and at the end of fifty miles he would come in jauntily ahead of the horse."