Sentence:  Feeling down? Pop a <WSD>greenie</WSD>. Had a rough night? Pop a <WSD>greenie</WSD>. Long road trip? Double header? Need a base hit? The answer for it all was the same: pop a <WSD>greenie</WSD>. / “<WSD>Greenies</WSD> were what everyone was doing,” Koch says. 
Meaning of the word marked with <WSD> tags:  A tablet of amphetamine.