Top Definition
This is when you are experiencing serious coughing fits and you spit a lot when you cough. These extreme coughing spells usually occur when you have a bad cold, the flu, etc.
Last night I was churning up pollution so much, so I finally had to take some Nyquil.
by Ryan J. February 14, 2005
Having horrible coughing fits and spitting up a lot, thus contaminating whatever is in the way.
He was churning up a lot of pollution so I moved back a few yards.
by The Midwestrn Soldier February 14, 2005
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