Someone would be considered brainnumb when they are sitting at home, has cable, an X-Box, and internet but just doesn't "feel like doing any of those things". He is also bored out of his freakin mind.
Scientists have now discovered that when two people who spend a significant amount of romantic time together, their brain waves synchronise. This is radio active and is loosely based on midi-chlorians (this has yet to be proven).
Some have lavishly coined the term the 'Brainhump'. When two brain waves meet radioactively, word babies are spawned in the mouth of both individuals simultaneously.
Boy: Pick a random letter on the keyboard.
Girl: ok
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.