(noun.) origin-USA:
Breasts that are unattractive, and could even be said to be scary in some aspects. The root word is
macabre.
-Dude, I had a tough weekend.
-Why?
-I had this girl who was real cute but she had macabreasts.
-Bummer bro.
-Dang, that girl is hot!
-She's got macabreasts...
-Oh wow, nevermind then