How do you say "What is that strange feeling ?" in korean ?
Hi, can you help me ?
I would like to say
"What is that strange feeling ?"
"이게 이상해 느낌이 뭐지 ?"
Is that correct ?
감사합니다.

Question

How do you say "What is that strange feeling ?" in korean ?
Hi, can you help me ? 
I would like to say 
"What is that strange feeling ?"
"이게 이상해 느낌이 뭐지 ?"
Is that correct ?
감사합니다.

Answer

"What is that strange feeling?"

We often say 이 이상한 느낌은 뭐지 (What is this strange feeling?) or 이상한 이 기분은 뭘까?/왜일까?.
(뭐지/뭘까? = what is it/this? ;  왜일까? = why (do I have) it/this?)