informal, mainly US a person or thing considered as being limited to only one single talent, capability, quality, etc
Why Do We Say “Trick or Treat”?It's many kids' favorite part of Halloween. There’s no feeling quite like waiting for a stranger to open their door so you can scream the words "Trick or treat"! But, why do we say it? What does it actually mean?
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