Suppose you've got a tub of חוּמוּס (KHOO-moos) - hummus - in the fridge, and you're having guests over that love to dip into it. You might say, together, we'll polish off this חומוס. In Hebrew, you'd say, בְּיַחַד, נְחַסֵּל אֶת הַחוּמוּס הַזֶּה (be-YAH-khahd, ne-khah-SEHL et hah-KHOO-moos hah-ZEH).
The word for to finish something off (particularly food) or, more formally, to destroy is לְחַסֵּל (le-khah-SEHL). The word is also sometimes used to mean to assassinate.
Public service announcement
This Sunday morning, we're doing an open house/ demo lesson of Ulpan La-Inyan in Raanana. If you're interested check out the details.