Simple past tense and past participle of windmill.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "windmilled" in a sentence
"She windmilled her arms, pitching her body back, away from the water, but her foot tangled in the heavy cape she wore and the next thing she felt was the shock of the cold water as she tumbled in."
"East Carolina won 83-76, but the story was the epic meltdown by UTEP Coach Tim Floyd, which began when he angrily removed his jacket and windmilled it with a bit of panache to the bench."
"Adam Kennedy roped a single to center, his third hit of the game, and Pat Listach windmilled Desmond around."