Like the other definition it is a small puffy bird, but considering you are probably from BTS, the Korean meaning may be a little bit more helpful. The term was used in a famous Korean proverb referring to someone who is trying to be someone they aren't just to fit in. Eventually that meaning became more well known. A beautiful meaning to fit in a beautiful song.
Together, J-Hope, Jungkook: Hey crow-tits everyone hands up
according to google images, a crow titty is a REALLY BIG BOOB! LIKE ITS UNNATURAL! WHA THE FUK?? (Also, Crow Tit is the name of a really good song by BTS)
Lesbian 1: Yo, crow titties
Lesbian 2: You know a crow titty is fake, right? There's no waysomething that big can be real
Lesbian 1: