* "Nickname": This is the most common meaning of "nikka" in English. It is a direct translation of the Japanese word "ニックネーム" (nikkuneemu), which means "nickname."
* "Brother": In some dialects of Japanese, "nikka" can be used as a slang term for "brother," similar to the English word "bro."
* "A brand of Japanese whisky": Nikka is also a popular Japanese whisky brand.
To understand the intended meaning of "nikka" in a specific context, it's important to consider the surrounding words and the speaker's tone.