A small quantity of really, really dank marijuana roughly equivalent to a quarter of a standard bowl, which when smoked, produces a very mild buzz - to that perfect point where one is noticeably high but can still function well enough to study for exams.
The weed has to be very very potent for it to work, and it must be cashed within three hits.
Me: Dude, I have a genetics test tomorrow but i also really want to smoke and listen to the new muse album.
Brooklyn: then just do a normfull, you'll be fine dude. listen to that album and by the time youre done, you'll come down enough to study.