'sop up' definitions:

Definition of 'sop up'

From: WordNet
verb
Take in, also metaphorically; "The sponge absorbs water well"; "She drew strength from the minister's words" [syn: absorb, suck, imbibe, soak up, sop up, suck up, draw, take in, take up]
verb
Take up as if with a sponge [syn: take in, sop up, suck in, take up]