http://wordie.org/words/riff Comments for the word 'Riff' http://wordie.org http://wordie.org/words/riff#comments ninja words:<br />(v) : to improvise in the performance or practice of an art, esp. by expanding on or making novel use of traditional themes<br /> Tue, 10 Jun 2008 23:52:31 +0000 http://wordie.org/words/riff#comments