high as a kite 凧のように舞い上がる

high as a kite 凧のように舞い上がる、空高く舞い上がる、舞い上がる、クスリのやり過ぎで酔っ払い状態になる。0:04 this guy is high as a kite after getting his paws on some marijuana. このワンちゃんは大麻を食べてラリってます。

Watch The Effect Marijuana Has On Dogs After They Find Owners Stash

https://www.youtube.com/watch?v=5Szv70Tw9LY  10;45 it's like a guy is a heroin addict. and you know, he's been taking the heroin for so long and he's as high as a kite. たとえば、ヘロイン中毒者がいる。長い間ヘロインをやっていていつもイッちゃってる状態だ。　
The Fed Lays a Foundation for the Next Round of QE