Define No Brainer Meaning

No Brainer
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.
By Ardisj
No Brainer

Dude 1: Will you take the money?

Dude 2: Yes I will! It's a no brainer.
By Gabey
No Brainer
A dumb question or response. Something one shouldn't even have to think about it.

Dude1: Hey, man, where's the basement?
Dude2: Try downstairs, bright spark!

Girl: Whales are... big.
By Pru
No Brainer
A person of either the male or female persuasion who absolutely refuses to participate in oral sex.

'Man, I had to leave that girl alone. The p***y was good, but I found out she's a no brainer-she wouldn't give me any head!"
By Anne
Brainer
The act of using your brain to make a decision.

It was a brainer to watch SourceFed.
By Adelina
Brainer
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."
By Simone
Brainer
When you think about a decision and make the right choice. Like a no-brainer but better.

By Ana
Brainer
a girl who sucks dick (gives brains)

that nasty hoe is a brainer too
By Aundrea
Brainer
when you're excited to learn something new, eg. math, science. it's basically a boner in your brain a.ka brainer.

professor farnsworth: all of this knowledge is giving me a raging brainer!!!
By Grace
Brainer
A Brainer is when you do something because it had to be done and you knew it was the right thing to do.

Brainer
1.You gave that guy some of your bone marrow well that's a brainer.
By Eleonore