hoo

• POS: Noun, Pronoun

CIDE DICTIONARY

hoo, interj. 

•  See Ho.  Chaucer.  [1913 Webster]
•  Hurrah! -- an exclamation of triumphant joy.  Shak.  [1913 Webster]

ROGET THESAURUS

hoo

Ululation

VB cry, roar, bellow, blare, rebellow, growl, snarl, bark, bow-wow, yelp, bay, bay at the moon, yap, yip, yipe, growl, yarr, yawl, snarl, howl, grunt, gruntle, snort, squeak neigh, whinny, bray, mew, mewl, meow, purr, caterwaul, pule, baa, bleat, low, moo, troat, croak, peep, coo, gobble, quack, honk, gaggle, guggle, crow, caw, squawk, screech cackle, cluck, clack, chuck, chuckle, hoot, hoo, chirp, cheep, chirrup, twitter, cuckoo, warble, trill, tweet, pipe, whistle, hum, buzz, hiss, blatter, ratatat.