The sound made mentally when one reads an unpronounceable name in any type of text. The voice reading aloud goes into a spasm when coming across the word, and instead pronounces it 'rtbuigha', no matter what letters are contained in the aforementioned name.
*text*
Clouds of smoke and ash have appeared above the volcano Eyjafjallajökull recently.

*voice reading in head*
Clouds of smoke and ash have appeared above the volcano rtbuigha recently.
by Jedi Dave August 25, 2010
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