one-trick pony


noun
  1. informal, mainly US a person or thing considered as being limited to only one single talent, capability, quality, etc

Words Nearby one-trick pony

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

How to use one-trick pony in a sentence