"The woman is heavy."
여자가 무거워 is one of the accepted answers. 무거워 comes from 무겁다. In some forms, the -ㅂ is dropped and replaced with a [w]-like sounds (ㅜ). This sound will contract with a following vowel.
• 무거ㅜ + ㅓ요 → 무거워요
• 차가ㅜ + 은 → 차가운
• 아름다ㅜ + ㅓ → 아름다워
There are a few exceptions, however:
• 잡 + ㅏ요 → 잡아요
It's not mean unless you put it into a mean context. If you are comparing get to an ant, yeah, she'd be heavy. xD