1/ the fingers of a well experienced bongrat
Used normally as a compliment or observation as to the efficiency of a persons bong pulling and packing ability.
May also be used as an insult/observation referring to the bong smell on ones fingers after an excessive smoking sess.
"Man, look at him use those bong fingers.. what a seasoned professional"
"Dude that is weak, get your dirty bong fingers away from me"