1 definition by lowcal
(VERB) Derived from the word retard, an etarded person is someone who has slowed down intellectually, often permanately, from the effects of Ecstasy (MDMA).
"Yo, that kid rolled all summer and he's straight up etarded now. I heard on the news you get holes in your brain, that kid is living proof."
by lowcal September 13, 2005