roil

v. make turbid, make muddy; annoy, irritate

ROiL is a performance art troupe started in Portland, Maine now also based in Ithaca, New York  and Baton Rouge, Louisiana. "ROiL" is not an acronym; it is a verb meaning ["to render (water, wine, etc.) turbid by stirring up sediment"]source
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Verb
1. be agitated; "the sea was churning in the storm"
(synonym) churn, boil, moil
(hypernym) move
(hyponym) seethe, roll
2. make turbid by stirring up the sediments of
(synonym) rile
(hypernym) agitate, vex, disturb, commove, shake up, stir up, raise up
(hyponym) muddle, puddle

(v.)
To render turbid by stirring up the dregs or sediment of; as, to roil wine, cider, etc. , in casks or bottles; to roil a spring.
  

(v.)
To disturb, as the temper; to ruffle the temper of; to rouse the passion of resentment in; to perplex.
  

(v. i.)
To wander; to roam.
  

(v. i.)
To romp.
  

To make muddy by stirring or to disturb sediment