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1. brain boner
March 29, 2011 Urban Word of the Day
Something that strikes a chord in someone's thinking, creating a spur of "enlightenment" and stimulation in knowledge, especially in subjects like philosophy & logic.
John: Hey, have you seen that recent philosophical discussion between XXX and YYY on YouTube?

Peter: Yeah, it was so good it gave me a brain boner.
2. Brain Boner
When you are so intellectually stimulated your brain gets a boner.
You: Did you guys check out my new 3D TV?

Me: Yeah, major brain boner.

Used when describing something that intellectually "turned" you on.
3. brain boner
A strong liking towards a member of the same gender, in a non-sexual manner. A closely bonded friendship. Similar to a "bromance."
Ted: "Hey where has Phil been lately? Ah, probably shackin' up with some lass."
Josh: "I really don't know and it's kinda bumming me out. We used to do everything together. It's kinda like Cheech without Chong."
Ted: "Heh sounds like you've got a total brain boner for him!"
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