to give five with the back of the hand;

Knuckling is the act of 2 bros fist bumping eachother. As the two bros fist bump eachother, a third bro proceeds to slide his dick between the other bros touching knuckles. He then proceeds to fuck their knuckles.

Any friend that assists you in your endeavors, or that you assist in theirs. A knuckle is of equal standing and not be confused with a minion, even though they may let you take the lead in situations where they are assisting you, just as you let them take the lead when you are assisting them.

a precise point on ones finger made efficient for causing maximum damage

4 grams of a substance, preferably cannabis

another name for marijuana

When a quality nugget is so densely dank that it makes a noise identical to that of someone's knuckle when it is tapped on a surface.