1. informal To become extremely upset or emotional. Poor Jane really became unglued during the funeral service.
2. informal To begin to fail or become untenable; to fall apart. Boy, this party is really becoming unglued. First, there was the issue with the caterer, and now half the guests aren't coming. They're marriage eventually became unglued after he discovered that his wife was having an affair.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.