ha-cha-cha adjective 1noun 1forms 3 adjective1 •Characteristic of sexy jazzy dancing.Seth MacFarlane's "Family Guy," which debuted in 1999, depicts dad Peter as an [sic] multichinned chucklehead while sketching mom Lois with the ha-cha-cha figure of a catalog model. — 2021 noun1 •A ha-cha-cha feeling or activity.When we middle-aisle it / That means / I'd be through with terpsichoreans / Ha-cha-chas as well as burlesque queens / Ankle up the altar with me — 1930 formsha-cha-chas · more ha-cha-cha · most ha-cha-cha