Synonym word of yoohoo:

acclamation, bark, bawl, bay, bellow, cackle, call, caw, chatter, cheer, clack, clamor, cluck, coo, crow, ejaculation, exclamation, expletive, fuss, gobble, groan, grunt, hiss, holler, hoot, howl, hullabaloo, hurrah, meow, mewling, moo, motto, nicker, note, outcry, pipe, quack, report, roar, ruckus, scream, screech, shout, shriek, song, squall, squawk, squeak, trill, uproar, vociferation, wail, whine, whinny, whistle, whoop, yammer, yawp, yell, yelp, yoo-hoo