A person who thinks with there penis.
A guy who just wants to have sex.
A man who is horny all of the time.
A guy that thinks only with his penis and of his penis.
A man who believes everything in life can be in some way relative to the human penis.
A man who uses his penis to hide the fact that he has no skills in getting women.
A guy who just wants to have sex.
A man who is horny all of the time.
A guy that thinks only with his penis and of his penis.
A man who believes everything in life can be in some way relative to the human penis.
A man who uses his penis to hide the fact that he has no skills in getting women.
"My ex boyfriend was such a penis brain, all he cared about was sex"
"Why do you always have to be such a penis brain? All you think about is your penis!"
"Why do you always have to be such a penis brain? All you think about is your penis!"
by Suckmycockerspanielbitch69 August 12, 2008
Great job Penis brains! you spilled your beer on me!
Wow, Penis brains, you are so lame for trying to get with me.
Wow, Penis brains, you are so lame for trying to get with me.
by chasers23 July 11, 2008