writhe with something
1. . and writhe in something [for someone or an animal] to squirm because of something, such as pain. Carl writhed with pain and began to cry. He was writhing in pain when the paramedics arrived.
2. . [for something] to support or contain something that is writhing. The pit was writhing with snakes and other horrid things. The floor of the basement was writhing in spiders and crawly things.