Best definition
Young Urban Guerilla

While we were beach camping at Catalina, a gang of yuggies showed up in a zodiac they’d launched from Long Beach. The yuggy thugs had bb guns and shot at anything that moved. We hadda learn em some things and took all their beer as payment.
yuggy: define #2
A word used for “poop” by young children whos’ parents do not want them to use the word “poop”.
Honey, did you leave yuggies on the toilet seat?