1
general::
1. Speak or act without restraint, as in He cut loose with a string of curses. [Early 1800s] 2. Leave, clear out, as in Let's cut loose right now. [Slang; 1960s]
American Heritage Idioms
2
general::
Phrase(s): cut (oneself) loose (from someone or something)
to get out from under the domination of someone or something. • At last, she cut herself loose from her mother. • She had to cut loose from home. • Everyone wished that Todd would cut himself loose from his mother., Phrase(s): cut loose (with something)
Go to let go (with something).
McGrawhill's American Idioms And Phrasal Verbs