That said, omitting "よっしゃきたコレ!". (Yossha kita kore!)
It's only Chitose to say such a thing. Chitose's wording is abnormal, so even if you talk to a common Japanese person in the same way it will not be understood :(
In English, it means the following.
awesome sauce!
hot dog!
did it!
woo-hoo!
great!
brilliant!
amazing!
awwwww yeah!
who's the man?!
Buying resources out of their own pockets, spending energy and effort, with almost no return so that everyone can enjoy the cultural and entertainment products of developed countries at almost zero cost walking in the dark to serve the light, they are real heroes