Sop it up

Meaning

To soak up liquid, usually gravy or sauce, with a piece of bread or a biscuit. It is the polite way to ensure that absolutely no food is left on the plate.

Homey, satisfying

Used in a sentence

• There is plenty of gravy left, so grab a biscuit and sop it up.
• My grandfather always taught me to sop it up so the plate looks clean.
• Do not leave that delicious sauce behind, sop it up with your toast.