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2.
The quint-essence of cool; fantastic; dog's bollocks
The concert last night was completely burtles. I am glad you convinced me to go.
by Benjamin Xavier K. I April 13, 2006
 
1.
A mystical creature that burrows underground and has claws and spikes on its shell. The greatest thing ever invented. Eats burtle plant and small children.
Burtles are grand
by K-Frizzle June 10, 2004