Refers to the way men think in regards to their lack of finesse and attention to detail in general; particularly, though, in socially sensitive ones. Much like using an ax instead of a scalpel to dissect, or a shotgun instead of a sniper riffle to shoot a target.
Anyone exemplifying the man-brain lacks the etiquette to handle delicate or intricate social situations as wells as critical thinking that requires consideration for all the problem's aspects.
Anyone exemplifying the man-brain lacks the etiquette to handle delicate or intricate social situations as wells as critical thinking that requires consideration for all the problem's aspects.
When a son tells his mother to move her feet so his girlfriend can sit in an effort to "act more like a gentleman" as the mother has been advising him to do. The son is showing a clear case of man-brain.
by borabora October 21, 2008
by demilovesyou April 12, 2009
The feeling you get when you are having a lively discussion or listening to an engaging lecture and everything makes sense and it gives you a bunch of new ideas about the topic at hand. The intellectual equivalent of an erection.
DeSean: oh man, that lecture given by Dr. Kobilka about G protein-coupled receptor dynamics gave me a massive brain boner.
Derrick: uhh...right, yeah, totally dude. *pssst* Jimmy, I think we need to re-evaluate our friendship with DeSean...
Jimmy: agreed.
Derrick: uhh...right, yeah, totally dude. *pssst* Jimmy, I think we need to re-evaluate our friendship with DeSean...
Jimmy: agreed.
by Longrod Von Hugedong April 28, 2016
a man whos brain and decisions are controlled by boobies , some1 who is not happy unless they are getting new boobie
by junk meet October 30, 2013
Person 1: "omg there were these two gay guys making out on the couch at this party, and i can't get the image out of my head."
Person 2: "ha, you've got brain spam"
Person 2: "ha, you've got brain spam"
by Jake521825 September 08, 2008
This is a common word to explain when a male massages the scalp of a female that he is attracted to or friends with. This method is usually only done with one hand and executed in a social gathering.
Tim: Dude that girl is so hot
Bob: Yeah, shes always looking for a good Brain Slurp
Tim: Fuck i got so much crap on my hands. Maybe some other time
Bob: Yeah, shes always looking for a good Brain Slurp
Tim: Fuck i got so much crap on my hands. Maybe some other time
by Petersouris Rex April 19, 2010
When a man squeezes his balls so that the scrotum bunches up slightly and takes on the appearance, shape, and texture of brains.
by Crabkilla2001 January 16, 2009