Definitions by the koolio kid

yupperdoodledoo 

yuperdoodledoo is a good word to use for anything. if your friend says something u agree with “yupperdoodledoo” can be ur answer. most people are very confused when u first say it but they’ll catch on. ;)

friend: “u look so hot today”

you: “yupperdoodledoo”

another-

friend: “that is so funny”

you: “yupperdoodledoo”

yupperdoodledoo by the koolio kid April 25, 2020