Bugs Bunny changeup
 n.— «The newest entry into the baseball vernacular is “Bugs Bunny changeup.” Translation: It rushes up to the plate and then suddenly stops. Sarver fed the Gamecocks carrots and lettuce all night.» —“Fullerton’s Sarver an unlikely story” by Mark Whicker in Omaha, Neb. Mercury News (San Jose, California) June 25, 2004. (source: Double-Tongued Dictionary)