A mental palate cleanser, something to clear your mind after seeing something disturbing or simply having a bad day. see also, mindbleach, unicorn chaser.
Ugh, I've had a horrible day cleaning up roadkill. I need a brain douche.
Main characteristic of an obnoxious male or group of males who make an out of the way effort to display their masculinity and coolness and whose comments or actions reflect delusions of grandeour on several ocassions in an attempt to hide what is known as 'small penis complex' which has been known to be one of the causes of brahdouchery.
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.