one who is given to excessive singing; one who sings at the drop of a hat; one for whom song is a predominant form of self-expression.
My friend, Julie, is a cantomaniac - every time I go to her house, I can hear her singing before I get to the door!
by Lynn K. Edisen January 22, 2009
The vocal music major described herself as cantomaniacal.
by niles lishness May 25, 2007