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1 definition by HollyForDays

the sound that turtles and/or Turtles (fans of the band Paradise Fears or Paradise Fears The Turtle) make. this sound can be heard being shouted at Paradise Fears concerts around the United States. while it is generally a noise, squirble can also be used as a verb, and sometimes a noun or adjective.
"squirble it up!"
by HollyForDays December 28, 2011