Cut loose is an idiom which means to behave or express in a free way. While watching cricket, we often hear this idiom being used by commentators - ‘Sachin has cut loose’...In this context cut loose refers to 'free and relaxed'. In other words, the batsman is not holding back. He is going for his shots and enjoying the game.
1. When old friends meet, they really cut loose.
2. As we crossed the road, Rajesh cut loose with a yell that made everyone stop and stare at us.