I’ve always said that I’d eat Three-Cup anything, even 三杯鞋 because I like it so much. I had Three-Cup snake in Kaohsiung so yeah, I’d try this! It too bad, though, that nowhere is it stated where you can try this dish 
EDIT: Oh man, I just found out that the snake place closed down in 2018.
https://www.chinatimes.com/realtimenews/20180723000846-260405?chdtv
EDIT 2: After reading just about every article on this subject, I eventually read that the place is in Sanxia. After putting on my detective hat I finally discovered where this 三杯嚇老外 can be found:
Their website and menu:
