In this clip at 19:50, it sounds like he is saying, "Nante na! Kore dokka no kiza na yatsu ga itteta serifu" ("This is just something a ____ pretentious guy said"). Is it indeed 「どっか」 ? What does that mean?
I tried looking up 「どっか」in 2 online dictionaries but I did not find a clear definition. Is it at all related to phrases like 「どっか行け」 or 「椅子にどっかり座る」? Since it is followed by the particle 「の」, I would imagine not...