fish pedicure
n.— «State regulators have banned a trendy type of spa procedure known as a “fish pedicure,” in which the spa patron places his or her feet into a bowl filled with fish, and the fish eat the dead skin and calluses off the feet.» —“Trendy Spa Procedure Banned in Texas” by Jim Forsyth WOAI-TV Oct. 9, 2008. (source: Double-Tongued Dictionary)