- and now the gathering had all the signs of turning into an impromptu celebration.

The arrival of a fur brigade was traditionally marked by an impromptu celebration.

Texas students and fans spilled onto the streets of Austin and made their way to campus for an impromptu celebration.

His impromptu celebration was for those who stayed behind to hoot and holler to the emotionally draining end.

A shrill tone on the communications console pulled Muniz away from the impromptu celebration.

Still, throughout the city, the verdict touched off impromptu celebrations.

I prefer white wine to red and I sometimes keep a bottle of champagne in the fridge ready for any impromptu celebrations.

It'll be growing dark and the streets should be lively with impromptu celebrations.

After the meal the Felines set up an impromptu celebration, making a bonfire.

The impromptu celebration of both his daughters' engagements is cut short by the arrival of the bankers.