lacquer; good in…

what is this for

a phrase to strengthen / emphasize a claim or a question

is it for real or not (things or news)?; is it genuine?; is it reliable? [colloquial]

yes, indeed; (to agree with someone on something)

that's so effing good of you ! so you think you are so effing great! (used to express one's discontentment at someone's actions or words) [colloquial]

don't worry, everything is under control; okay; that will do; that's good enough; that will suffice [colloquial]

don't worry, everything is under control; okay; that will do; that's good enough; that will suffice [colloquial]

what kind of person are you? (negative connotation) [colloquial]

Is it edible?

the slang for 'a Japanese youngster'

the slang for 'a Japanese guy'

(modal particle) just, only, that's all

modal particle to express a slight surprise to something (or with a questioning tone)

it is

final particle for making an assertion [colloquial]

final particle for making an assertion [colloquial]

final particle for making an assertion [colloquial, less commonly used nowadays]

Japanese girl (slang)

modal particle used at the end of a conditional statement; Japanese language

a derogatory way to refer to a Japanese person [colloquial]