go to town
US /ɡoʊ tə taʊn/
UK /ɡoʊ tə taʊn/

1.
徹底的にやる, やりすぎる, 大いに楽しむ
to do something with great enthusiasm, energy, or thoroughness, often to an excessive degree
:
•
When she started decorating for the party, she really went to town with balloons and streamers.
彼女がパーティーの飾り付けを始めたとき、風船や飾り付けで本当にやりすぎた。
•
He decided to go to town on his new car, adding all the latest gadgets and modifications.
彼は新しい車に徹底的に手を入れることに決め、最新のガジェットや改造をすべて追加した。