Ma'anar ƙamus na "kai-acid" kalma ce da ke nufin mutumin da ke amfani da magungunan hallucinogenic akai-akai kamar LSD, don haka yana cikin yanayin da ya canza. Hakanan za'a iya amfani da shi don siffanta wanda ke nuna hali mai ban mamaki ko rashin tabbas sakamakon amfani da irin waɗannan kwayoyi. Ana ɗaukar kalmar a matsayin wulakanci kuma ba a saba amfani da ita a cikin saitunan hukuma.