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?!
I have the rare Otome games Darling I and Eisai and the 108 Guys R18 to choose from. I'll only share it with someone who answers my requests for my games Luckydog1 Doujin Game - Taiyou to Tsuki to Inu to Usagi or Shikkoku No Tsuki