- [[t]ˈoʊˈdi[/t]]n. pl. ODs or OD's,1) cvb pha an overdose of a drug, esp. a fatal one2) pha a person who has become seriously ill or has died from a drug overdose3) cvb pha to take a drug overdose4) pha to die from a drug overdose5) cvb to have or take too much of something•Etymology: 1955–60
From formal English to slang. 2014.