1 definition by Billy jr

When four or more men start jacking off as fast as they can in a circle with their dics facing a common centre (while standing in a circle) in which a muffin sits on the floor. They all cum on the muffin until only one man is left. He than proceeds to eat the muffin because he ejaculated last. Do advise this activity is very gay.
Last night we played Jack muffin and I lost.
by Billy jr December 4, 2015
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