Let's learn about "이게 뭔 말이야?"

이게 뭔 말이야? : What does it mean?

[other expressions]

- 이게 뭔 말이니? (to younger people or friends)

- 이게 뭔 말이냐? (to younger people or friends)

- 이게 뭔 말이야? (to younger people or friends)

- 이게 뭔 말인가? (to younger people or friends)

- 이게 뭔 말인지? (to younger people or friends)

- 이게 뭔 말이지? (to younger people or friends)

- 이게 뭔 말이지요? (honourific by '-요')

- 이게 뭔 말이죠? (a short form of 말이지요)

- 이게 뭔 말인가요? (honourific by '-요')

- 이게 뭔 말인지요? (honourific by '-요')

- 이게 뭔 말입니까? (formal; honourific by '-ㅂ')

[explanations]

* 이게 : a short form of 이것이

* 이것 : this

* -이 : a suffix makes 이것 the topic of the sentence after a word ends a consonant; this can be replaced by -은 if you emphasize 이것

* 뭔 : a short form of 무슨(what)

* 말 : a word

* 이다 : be

* a noun + -이니? / -이냐? / -이야? / -인가? / -인지? / -이지? : a questioning form of 이다

* a noun + -인가? / -인지? / -이지? + -요 : an honourific ending suffix

* a noun + -입니까? : an honourific questioning form of 이다 by ‘-ㅂ'