Closet Smoker

A person who tries to keep his/her cigarette smoking habit a secret from friends and/or family, by using mouthwash, burning candles at home, smoking out of public view, etc.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
References in periodicals archive ?
SO ex-Spice Girl Geri Halliwell has been outed as a closet smoker.