when you're excited to learn something new, eg. math, science. it's basically a boner in your brain a.ka brainer.
by soma689 April 25, 2013
Dude1: Hey, man, where's the basement?
Dude2: Try downstairs, bright spark!
Girl: Whales are... big.
Dude2: Try downstairs, bright spark!
Girl: Whales are... big.
by MischiefMaker December 29, 2003
by Little Miss Mayonnaise May 26, 2005
by efulitz January 08, 2004
by TheCurryFairy September 07, 2006
A Brainer is when you do something because it had to be done and you knew it was the right thing to do.
by WolfBrother13le April 24, 2013
The satisfaction you get when learning something you didn't know before or to share something else with someone who didn't know about it before. Like a boner, but with your brain.
Mary: John must be the most common name in the world.
John: No, Muhammad is the most common name ever.
Mary: Oh. I didn't know that.
Tommy: Total brainer.
John: No, Muhammad is the most common name ever.
Mary: Oh. I didn't know that.
Tommy: Total brainer.
by Three years later July 15, 2010