EXTRAVAGANCE
go whole hog
to do everything possible; to be extravagant. (Informal.)Let's go whole hog. Order steak and lobster.Show some restraint. Don't go whole hog all the time.
put on the dog
to dress or entertain in an extravagant or showy manner. (Informal.)The Smiths really put on the dog at their party last Saturday.They're always putting on the dog.
big-time
mod. outstanding; extravagant.This is one of your real big-time stars.I can't stand any more of this big-time living.
put on the dog and put on the ritz
tr. to make things extra special for a special event.Frank's really putting on the dog for the big party Friday night.They really put on the ritz for us.