be there with bells on

be there with bells on

Said when one is eager or excited to attend something. Of course I'm coming to your play—I'll be there with bells on!
See also: bell, on, there
Farlex Dictionary of Idioms.

Be there with bells on

and BTWBO
sent. & comp. abb. [I will] be there happily.; I am eager to come there. (Said in response to an invitation.) Thanks for the invitation. I’ll be there with bells on. Don’t B L8T. BTWBO.
See also: bell, on, there
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • BTWBO
  • with bells on
  • (one) can't wait
  • a buzz kill
  • buzzkill
  • go with bells on
  • bell
  • be dying for something/to do something
  • be dying to (do something)
  • toll for (someone or something)