Top Definition
When you have a large dump coming on, and the stomach pains come in and out. The intervals in time get closer and closer until you can't stand it anymore and you must drop a load.
I thought I was going to shit my pants, but it must have just been a colon contraction. Regardless, I should probably find a bathroom soon, before another one comes on.
by BT 2 September 01, 2009
5 Words related to Colon Contraction

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