YEE

YEE is a short video that originated from the show "Dinosaur adventure", which is a land before time ripoff In the video, a Ankylosaurus named "Peek" is singing a song, only to be interuppted by a T-rex (who is probably on cocaine) named Oro, Oro proceeds to shout the phrase "Yee!", though in the english version, he says "Peek!"

Origin
on june 6, 2010, youtuber Celyciah uploaded a italian dub of a clip from Dinosaur Adventure, by Dingo Pictures, a low budget knockoff of the 1988 animated film  The Land Before Time.

Translated transcript
Peek - Mom and Dad have got a new baby and they aren’t doing anything to you anymore!

Oro - Yee. how can you say something like that, the majority of us, brothers and sisters, the parents loves all their children in the same way.

On February 29, 2012, YouTuber  revergo  uploaded an edited version of the video with the title “Yee” accompanied with instrumentals from the movie itself. Within three years, the video gained over 2,000,000 views and 2600 comments.