Also bohoo. [f. prec.] intr. a. To weep noisily; b. to bellow, roar, shout, hoot.
183740. Haliburton, Clockm. (1862), 49. The wenches they fell to a cryin, wringin their hands, and boo-hooin like mad.
1884. Punch, 1 Nov., 216/1. Irish Members boo-hoo and use shillelaghs.
1884. Henrietta H. Holdich, in Harpers Mag., Oct., 697/1. I just boo-hooed like a baby.