It looks like a clever play on words. On the one hand, it sounds like wrong spellings or typos on "어머나 세상에 이럴 수가, 이게 워야?" (OMG, how can this be, what is this?). But the misspellings are not ordinary ones since they have these words embedded. 호모: HOMOsexual 섹상에: "섹" is often used to mean "sex". 수간: bestiality 게이: gay As many as four such words can't be a coincidence, can it? So it must be a cleverly constructed sentence either for fun or to make some statement.

별안간 남성들 사이의 야릇한 분위기 및 애정행위 혹은 그와 관련한 묘사를 맞닥뜨렸을 때 흐뭇한 마음을 담아 감탄사 처럼 내뱉는 유행어. Refer to https://namu.wiki/w/%ED%98%B8%EB%AA%A8%EB%82%98%20%EC%84%B9%EC%83%81%EC%97%90%20%EA%B2%8C%EC%9D%B4%EB%AD%90%EC%95%BC