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A shirt with spunk stains (usually the result of a masturbatory session when tissues or toilet paper were out of reach) that a guy knowingly wears out in public.
Harry thought he could get away with wearing his squirt shirt to the company picnic, but it was a plain white t-shirt, and the cum stains were clearly visible to his boss and co-workers.
by noodles montgomery October 18, 2009
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