Synonyms of whoopee

1 Syllable
yell, mirth, pooh, yay, oop, ugh, ah, um, er, cheer, ums, ers, huh, phooey, psst
2 Syllables
hooray, gaieties, oh's, huzza, hurrah, egad, gaiety, hip-hip, hurray, rah-rah, yippee, ahem, revel, jeepers, revels
3 Syllables
merriment, mirthfulness, reveled, jollities, revelment, jollity, merriness
4 Syllables
jocoseness, amusement, interjections, festivities, joviality, interjection, festivity, jocundity
5 Syllables
jocularity, jollification, encouragement