whacked–out also wacked–out 
/ˈwæktˌaʊt/ adjective
/ˈwæktˌaʊt/ adjective [more whacked–out; most whacked–out] US slang 1 : unusual or different in usually an amusing way
▪ a totally whacked-out [=wacky] world 2 : acting strangely because of the effects of drugs or alcohol
▪ a whacked-out drug dealer — often + on ▪ They were whacked-out [=stoned] on drugs.
▪ a totally whacked-out [=wacky] world
▪ a whacked-out drug dealer — often + on ▪ They were whacked-out [=stoned] on drugs.
