When one is excessive on marijuana.'Ass large' is a stage of high more than 'i am feeling it', and greater than 'i am high', but not as much as 'I'm fucked up'.The term 'ass high' is frequently used in combination using word 'Nigga' when discussing a person who is butt high. the state after doing drugs up your butt opening. typically someone would light a combined due to their farts after that inhale it through their rectum. however it is additionally common to snort medications like cocaine up, reaching further compared to the anus, on occasion.