1. To stop working or thinking about important or difficult issues and simply relax. After such a tough week at work, all I want to do this weekend is blob out in front of the TV.
2. To become overweight or obese. He used to be one of the most athletic students back in high school, but he's really blobbed out recently.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.