When you're attracted to somebody primarily based on their personality and mind rather than appearance (although that does help).
"That thing you just said was so cute. I have an erection for you, but in my mind. I have a brainer."
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Somone who is smart funny and fun to be around and used to trick people to think ur talking bout giving head
man i love to be around that girl shes a brainer
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A brainer in when a person inhales marijuana smoke through their nose, sending it straight to the brain.
"Hey man, you wanna toke?"
"No, I'll just take a quick brainer!"
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could be used as in "definetly" or "of course"
Jim: Do you have to put your marshmallow in the fire?
Clark: Dude, it's a no brainer, as a rule of thumb campers should put their marshmallow in the fire.
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A question with an obvious response.
Dude 1: Will you take the money?
Dude 2: Yes I will! It's a no brainer.
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An easy decision made using the brain. As opposed to a 'no brainer', an incorrect term seeing as how all decisions are made using the brain, as pointed out by SourceFed's brilliant Joe Bereta.
"I could save that man's life with a simple marrow donation, it was a brainer."
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a girl who sucks dick (gives brains)
that nasty hoe is a brainer too
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