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Like a billy goat, but can't bleet. When this happens, you get goat screaming memes. A jimmy goat is one that makes short, constantly interrupted yells in succession and then draws them out. Inspired by the fictitious character Jimmy Valmer from South Park.
"Look at this goat screaming video! It's hilarious!"
"Oh yeah, that's a jimmy goat."
by InHoc Urban April 11, 2015
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