Posted in Internet Slang, Science DMDT stands for Dimethoxydiphenyltrichloroethane DMDT stands for Dead Men Don’t Talk DMDT Share Pinterest Tweet Whatsapp Post navigation DMDMSDMDS Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.