Top definition
When ones penis tip is shaped like a fungi, which makes them a very funguy. This is often uncomfortable within the pants due to the exposure of the ballas itself. Sexual intercourse has been proven to be quite a struggle for whom who carries a mushroom ballas, due to the inappropriate size and shape.
Harvey: Hey, come over here, take a look at my John Thomas.
Bill: Good god man. You have a swollen beef curtain intruder.
Harvey: You could say it's a mushroom ballas.
Bill: Potent.
by potentguffankle January 11, 2011
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