Be brain-dead adjective
"Be brain-dead" means that a person no longer has any brain functions.
The girl was brain-dead because she had a nasty fall from the second floor onto the ground,
When one is mentally tired or unable to concentrate, one can perform poorly or make easily avoidable mistakes.
A: Five minus two equals one B: What! You are brain-dead. You need a break right now.
I've finished studying online lasting 6 hours, I'm brain-dead.
Said when you are too tired to do something
Completely fatigued.
Used when one suffers from mental or emotional exhaustion
Very tired as you've used too much cannabis.
The verb "be" must be conjugated according to its tense.
The origin of this slang is based on its figurative use of the adjective "brain-dead".
If you swallow the bait, you take something that someone offers you, or agree to do something that someone asks you to do without knowing that it is a trick or way of getting something from you.
You can't just do whatever he wants you to do. Don't swallow the bait.