copium UK /ˈkəʊp.i.əm/US /ˈkoʊp.i.əm/ noun2 •Material used as a naive coping mechanism for facts one knows are not true.We both know that's just copium for the fact you're losing. •(Internet) A metaphorical opiate taken in order to cope with a loss or disillusionment, often leading to one becoming detached from reality and in denial of their situation.Cryptobros have been huffing copious amounts of copium after yesterday's devastating Bitcoin crash.