n. /hooh"hah'/ ; interj. /hooh'hah"/ , Informal.
n.
1. an uproarious commotion.
interj.
2. (used to express mock surprise or excitement.)
Also, hoo-hah .
[ 1930-35; prob. hu-ha to-do, uproar, exclamation of surprise; cf. Pol hu-ha exclamation of joy ]