1 definition by ramlbin' rose
Slang for Methylenedioxyamphetamine or MDA, a psychedelic stimulant that can be classified as both a phenethylamine and an amphetamine. This term is popular among fans of jam bands and probably originated somewhere within the psychedelic music scene. The term is also used to distinguish powdered MDA from powdered MDMA, often referred to as "molly."
Head A: I ran into some righteous Sassafras at Rothbury, the campgrounds were full of it!
Head B: Heady.
Head B: Heady.
by ramlbin' rose August 2, 2009