On Tuesday, legendary pro wrestler "Nature Boy" Ric Flair celebrated his 71st birthday. Based on recent posts from his official Instagram page, Flair spells out his famous exclamation using the letter "W", followed by how many "O's"? (Answer with the spelled out word; or number - accept within 1)
WOOOOOO, 6 (accept WOOOO(OOO), 5 to 7)