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1.
Huge, large, ample, a translangeration of humungous
from The Bugged-Out Surfer Necronomes theme song: "catching bungo air on an energy tuber / really ain't that hard to do"
by Urby Ambcock January 18, 2007
 
2.
BUNGO is the word to describe something or someone is abit dumb or slow mentally.

used within a circle of friends, non offensive
"yes jason, you are a bungo!!"

"your such a bungo head"

"andrae stop playing with that bungo phone"
by bungodefiner February 09, 2010