Fiend who, upon noticing that a pal of normally superior intelligence is now on their cognitive level, or even just below, due to extreme intoxication, takes advantage of the situation to try to win an argument that he would otherwise lose if said friend was thinking clearly.
"Stuart, I never lost that argument last night when I was buckled. You're just a sad old brain rapist!"
by Bellser July 29, 2006
1 more definition
Dude, that brain rapist just pulled a rabbit out of his hat!
by annahmalcookies May 15, 2014