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the misspelling of the REAL word- ritardando. Retardando is not a slang or real word, just the way someone who has no knowlege of music would spell it.

Ritardando- To slow down the tempo. Used in Music scores to show a change in the tempo(speed) of the music.
You are a retard if you spell the word ritardando like retardando.
by DoubleXM June 13, 2007
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