Top Definition
A jar which a male stores semen and excretion over the period of one month; typically it is a large Mason jar. Urine can be added if desired. During intercourse, the male takes his penis out of the vagina and proceeds to poor the contents of the jar into the vaginal cavity. The man then goes back to humping, and after a period of 3 minutes, he withdraws and his female companion sucks the substance off his penis. The male may then "eat out" his girl if desired.
Dude, I made a jaro'joy and my girlfriend loved it! Tasted sweet.
by WhaBamBamBoom November 22, 2010

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