The culmination of facial hair in what appears to be the infamous "soul-patch," however, this variant being more circular around the bottom edges, giving it more of the appearance of the human male's scrotum pouch.
Dude 1: "Dude, have you seen Kurt's soul-patch? It's gotten pretty thick, eh?"

Dude 2: "Indeed, my friend. What does it's distinct shape remind you of?"

Dude 1: "A human male's scrotum pouch, no doubt."

Dude 2: "Thus, sack patch."
by Mista Supafly September 21, 2011
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