Simple past tense and past participle of carouse.(verb)
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Use "caroused" in a sentence
"Victor got over his lunacy, rejoined Axel and me, and after that we caroused somewhat more discreetly."
"Galeano's little book of the past with Montevideo, Sao Paulo; when they caroused all night into the early morning hours the next day in the midst of hangovers spitting phlegm on the muddy tracks of grass making those spectacular goals to keep them from going back to the docks, factories and mines that always wait"
"And I cajoled and caroused and codingled a steak dinner from her if she ever sold this novel."