overcelebrate

To overindulge in activities that celebrate something; to party too hard.

As you can see, I've overcelebrated the holidays.

Maggie took the wheel of the Spyder for the trip home, Paul having overcelebrated the victory.

To treat as more significant or praiseworthy than is deserved.

According to Conradt (2001), The simple lesson to be learned from the whale trainers is to overcelebrate. Make a big deal out of the good and little stuff that we want consistently.

There is a highly competitive and emulous scramble to find the Next Big Thing in prostate cancer, and that is invariably accompanied by a tendency to overcelebrate breakthroughs and vastly exaggerate triumphs