when you get the shakes from not having a heavy reliable hit from your bong. pretty much its when you have a slight dependance on having at least a daily toke of the ganj, you begin to have small shakes that can often stop you from performing every day tasks such as packing a decent cone or in some cases completely leave you helpless when you try to roll a j
'chill out your hands are shakin sumin feirce'
'man i have the worst jitterbuds i couldnt pack my breaky bong'
Having the Jitterfunk is when someone smokes too much crack, meth or heroin then turns up some funky electro hard bass beat as they bop there head uncontrollably and tweak out to the sounds.