Stands for Extended Release (referring to pills.)
The extended release mechanism can either be from the pill construction (Adderall XR) or a slowed chemical reaction (Vyvanse.)
Synonyms for XR
On this page, you will find 30 slang terms related to XRS. Some of the top words include: disco biscuits, little-marns, little ones, meth, oxy, and 25 more.