An exclamation of surprise or joy, derived at age 6 from playground banter during the height of the word bad meaning good...circa 1982. Example: I can pop a wheelie--it's baddo! Obi-Wan has a blue lightsaber, that's baddo!
BADDO
Meaning of BADDO in English
Slang English vocab. Английский сленговый словарь. 2012