A term used to describe the effects of waking up from heavy marijuana use.
Callum: Hey dom, make us breakfast.. I have a ganjover.
Dom: No way man... I too have a ganjover.
Ganjover
Noun
A state brought about after a night of chronic reefer blazing which renders the user in an indecisive and whimsical state the morning - or entire day- afterwards
'The morning after the savage ganjathon, the lads decided they wanted a subway. However, when they got to subway they wanted nothing more than to sit back with a fat maccies and watch odd vines - the ganjover had taken over'