cut loose

cut loose  {v.}
1. To free from ties or connections, cut the fastenings of.
The thief hastily cut the boat loose from its anchor.
Compare: LET LOOSE (1a).
2.  {informal}
To break away from control; get away and be free.
The boy left home and cut loose from his parents' control.
3.  {informal}
To behave freely or wildly.
The men had come to the convention to have a good time, and they really cut loose.
When he got the news of his job promotion, Jack cut loose with a loud "Yippee!"
Compare: LET GO (6).
Categories: behave informal verb