also hoop-la, 1877, hoop la, American English, earlier houp-la, exclamation accompanying quick movement (1870), of unknown origin, perhaps borrowed from French houp-là "upsy-daisy," also a cry to dogs, horses, etc. (see whoop).
hookup
hooky
hooligan
hooliganism
hoop
hoopla
hoopoe
hooray
hoosegow
Hoosier
hoot