sweat something out

sweat out

1. To expel a harmful substance through one's sweat. A noun or pronoun can be used between "sweat" and "out." I'm trying to sweat the alcohol from last night out by going for a run this morning. You should spend some time in the sauna. It's a great way to sweat out toxins.
2. To endure or await something that makes one feel nervous, anxious, or distressed. A noun or pronoun (often "it") can be used between "sweat" and "out." They said they would call me today to let me know if I got the job, so I've been sweating it out since I woke up. I sweated out the police's interrogation without saying a word.
See also: out, sweat

sweat something out

tv. to wait out something; to fret and worry until the end of something. You’ll just have to sweat it out. There’s no way to hurry it up.
See also: out, something, sweat