go to town
Also, go to town on.
Do something efficiently and energetically. For example, She really went to town, not only developing and printing the film but making both mat and frame. [Early 1900s]
Act without restraint, overindulge, as in He went to town on the hors d'oeuvres, finishing nearly all of them. [Early 1900s]
Be successful, as in After months of hard work, their business is really going to town. [Mid-1900s]