The catchphrase of Taco Man, an unlikely superhero and the star cartoon character of Samuel T Nelson's Flash animation website Ebolaworld. Also the title of one Taco Man cartoon. It's like a cooler and detached yet sillier "d'oh!"
Taco Man: Now to save the kid!
(kid gets eaten by Donald McRonald)
Taco Man: Oopsidoodle!
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.