beat the tar out of(redirected from knock the tar out of)
beat the tar out of (someone)
1. slang To deliver a violent and prolonged physical attack. This phrase can be used both literally and hyperbolically. Primarily heard in US. Our neighbor is in the hospital because a burglar beat the tar out of him. I'm worried that the captain of the football team will beat the tar out of me if he finds out that I'm secretly seeing his girlfriend. If you ever scare me like that again, I'll beat the tar out of you, I swear!
2. slang To defeat an opponent decisively. Primarily heard in US. The final score was 17-1? Wow, we really beat the tar out of that team!