by Mr. Deeds October 25, 2006

ATG NBA superstar Allen Iverson was inducted into the Naismith Memorial Basketball Hall of Fame on April 4, 2016.
by bjscool May 18, 2016

by NervousClassGoerSaysRoar September 07, 2012

ATG (Anti-thymocyte globulin or AtgamÒ) is a medicine used prevent rejection in different types of transplantation, treatment of graft versus host disease and in certain patients with aplastic anemia. It does this by suppressing the body's own immune system. It is available as an injectable medication.
by q February 01, 2005

ATG stands for Autistic Tongue Group. People who stick their tongues out when they take selfies are classified as an “ATG”.
by cherryvaginaslayer December 31, 2018
