hoo hoo

noun2

1. •
   A hooting noise, such as a laugh or the hoot of an owl.

   • That night, when I carried Chumley's food and drink of tea out to him he greeted me with loud "hoo hoos" of delight, and jogged up and down, beating his knuckles on the ground. — 1962
2. •
   (informal, euphemistic) The genitals or genital area.

   • As other media did their usual cookie-cutter coverage, Redmond wrote of earthier matters: the late, great, 1,400-pound boar Spots Stallone and his massive hoo-hoos. — 1996

noun1

1. •
   A member of Hoo-Hoo.

   • There have been initiated into the order nearly thirty thousand Hoo-Hoos scattered all over the entire world. — 1917