DIBBLE

(figurative) employ oneself in a dilettante way; work on and off at. —SHSBC Binder 15 Approved Glossary

(figurative) employ oneself in a dilettante way; work on and off at.v. to trifle or deal with in a dilettante way. This term is possibly derived from the word dabble, which means to do or concern oneself with something in a superficial manner.