yoo-hoos Share definition Flag Is what police call people who flag them down while they are walking around or driving in their cars. PERSON: "Yoo-Hoo, officer, I need some help over here!" COP: "I hate yoo-hoos!" yoo-hoos by Dani April 9, 2006 0 0 Get merch Get the yoo-hoos mug. Buy Now — $32.95 See more merch
