Definition of "sponge up" [sponge up]

• Absorb as if with a sponge (verb)

WordNet. Princeton University. 2010.

• "There are the tastes, of course, but the smells, sounds, and textures should not be discounted: the gurgle of Fortissimo as it is poured into a glass; the slight crunch of the onions; the dusting of sesame seeds on the bread we useJoey and I use, at leastto sponge up the last of the succulent gravy."