sealed up

sealed (up)

mod. settled; secured; cinched. The matter was sealed by Monday morning.
See also: seal, up
References in classic literature ?
Daily Muff Potter's gratitude made Tom glad he had spoken; but nightly he wished he had sealed up his tongue.
The key of the old- fashioned bureau in which the papers were kept I sealed up, and left it on my table, with Marian's name written on the outside of the little packet.
New houses are really sealed up tight, so interior air quality is very important" says Pruitt.
Sealed UPS batteries typically last five years and need to be recycled.