with bells on

Prepositional phrase

idiomatic

(idiomatic, especially regarding acceptance of an invitation) With eager anticipation and enthusiasm.

Japanese Meaning

喜んで、積極的に参加するさま / 熱意を持って、快く受け入れる状態 / 期待を胸に積極的に行動する様子

I'll go to the reunion with bells on.

同窓会には楽しみにして、張り切って行きます。

Sense（1）

(idiomatic, especially regarding acceptance of an invitation) With eager anticipation and enthusiasm.

How about a BBQ at our house, Saturday June 14th, 4pm?