n. A part groaning, part yelling, part gasping shriekish grunt; etymologically dates back to the middle 1990s in Omaha, NE, with no known meaning; erupted soon thereafter; extremely hard to learn without a natural aptitude, but able to be mastered by anyone with patience and tolerant neighbors. Variations include 'Raptor Man', 'Circle Man', and 'Full-Fledged'.
"Hey dude, make that noise."
"What, the sped call?"
"Yeah, that shit, man, it's hilarious."
"Well, I'll try..."
"What, the sped call?"
"Yeah, that shit, man, it's hilarious."
"Well, I'll try..."
by Dylan September 14, 2003
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