The Collaborative International Dictionary of English v.0.48:
churned-up \churned-up\ adj. agitated vigorously; -- of a liquid. Syn: churning, roiling, roiled, roily, turbulent. [WordNet 1.5]WordNet (r) 3.0 (2006):
churned-up adj 1: moving with or producing or produced by vigorous agitation; "winds whipped the piled leaves into churning masses"; "a car stuck in the churned-up mud" [syn: churning, churned-up]