n. & v. (also hoop)
n. 1 a loud cry of or as of excitement etc. 2 a long rasping indrawn breath in whooping cough.
v.intr. utter a whoop. whooping cough an infectious bacterial disease, esp. of children, with a series of short violent coughs followed by a whoop. whooping swan a swan, Cygnus cygnus, with a characteristic whooping sound in flight. whoop it up colloq. 1 engage in revelry. 2 US make a stir.
[ ME: imit. ]