Kalmar "magungunan runguma" ba ta da ma'anar ƙamus na hukuma, amma ana amfani da ita don komawa zuwa magani MDMA (3,4-methylenedioxymethamphetamine), wanda kuma aka sani da ecstasy ko Molly. MDMA magani ne na psychoactive wanda galibi ana amfani dashi don nishaɗi don tasirin sa na euphoric da empathogenic, wanda zai iya haɗawa da kusanci da kusanci da wasu. Ana iya amfani da kalmar "maganin runguma" saboda ƙarfin da aka ruwaito na miyagun ƙwayoyi don haɓaka jin tausayi da ƙauna ga wasu, kuma wasu mutane na iya samun ƙarin sha'awar runguma ko taba wasu yayin da suke ƙarƙashin rinjayar MDMA. Duk da haka, yana da mahimmanci a lura cewa MDMA na iya samun mummunar illa kuma yana iya zama haɗari idan aka yi amfani da shi ba daidai ba ko a cikin manyan allurai.