seal the bargain

seal the bargain

1. To solidify, finalize, or decide upon an agreement or the terms thereof. I wasn't convinced at first, but it sealed the bargain when he offered to include a 10-year warranty for free. We both benefit from this arrangement, so let's quit stalling and seal the bargain!
2. To do something that marks or celebrates such an agreement. Everything sounds good. Let's seal the bargain with a toast! We decided to seal the bargain by opening up the 30-year-old whiskey I'd been saving up.
See also: bargain, seal

seal a bargain

 and seal the bargain
Fig. to signify or celebrate the reaching of an agreement or bargain. They signed the papers and sealed the bargain by drinking champagne.
See also: bargain, seal
References in periodicals archive ?
A poor chicken gets its throat cut to seal the bargain, shortly before someone comes to a sticky end.
Ogg talks Morg down to a two-month supply instead, and they slam their foreheads together to seal the bargain.