yupitydoodles
It means 'yes' or 'yep'. and by rule of thumb, adding -doodles to the end of any word makes it 10 times more awesome
Guy#1: Yooo, lets go steal exit signs
guy#2: Like omgggg that's awesome
Guy#1: Yupitydoodles.
guy#2: Like omgggg that's awesome
Guy#1: Yupitydoodles.