Crissy \c-rissy, cr(is)-sy\ as a girl's name is a variant of Chrissie (Latin), Christina (Latin) and Christy (Latin), and the meaning of Crissy is "follower of Christ".
The baby name Crissy sounds like Krissy, Crissey, Chrissy and Crissa. Other similar baby names are Cristy and Prissy.