Yes, "brainless" is a word, meaning "without brains."
because those people are stupid and brainless and have decided to make their point that they are stupid and brainless even more stupid and brainless.
Top 20 Countdown Most Shocking - 2009 Brainless Brawlers 5-11 was released on: USA: 9 March 2012
The starfish is the world's most brainless animal. It is literally without a brain and responds to its environment through nervous impulses running through its body. A lizard known as the horn toad is another example of an animal that has no functioning brain.
Top 20 Countdown Most Shocking - 2009 Brainless Blunders 2 2-10 was released on: USA: 9 September 2010
They are brainless!
Chainless
siva
The Brainless Horseman - 1925 was released on: USA: 13 April 1925
Heatherbrained - 2010 Brainless 1-3 was released on: USA: September 2010
Maybe she doesn't have a brain... :-??
Then you would be brainless ?