My husband's attractive fwmale coworker danced with me at a party and he yelled "Yes! Yes!" Was he flirting with his coworker?

He cheered us both on. She was wearing fishnet stockings and a tight dress while pulling me aside to dance. Was he flirting with her?
My husband's attractive fwmale coworker danced with me at a party and he yelled "Yes! Yes!" Was he flirting with his coworker?
Post Opinion