The phrase "big punch" means delivering a powerful blow or impact. It is used to describe a strong and significant action or event that has a significant effect or influence.
Sentences with «big punch»
Rule 3 - Small percentages pack big punches - Why invest in mutual funds and make banker rich? (besmartrich.com)
If anything, the next - gen Viper is going to pack an even bigger punch than the models that have come before. (roadandtrack.com)