The art of training your mind to be less idiotic. Just like working out your body at the gym, you need to get in your mental reps or else you will become a moron. Not observing brain day could result in bodily harm, embarrassment, death, or all three at once.
Hey did you see Jamaraquay try to ride a bike on a treadmill? He must've skipped brain day.
Referring to the amount of cognitive function someone has relative to a period of time. It can be used as a general gauge for creativity, energy, mental capacity, etc. Similar context to gasoline as fuel for a car.
"There's no way I can work on this project, I'm out of brain juice after that test."
"Get some sleep, it'll help you get back some brain juice"
To tell someone to take it easy or slow down. Particularly relating to their head /brain or relating to someone who is overdoing it with their studies /homework.
An expression of respect for somebody who is smart.
“She’s not just attractive, she’s also easy on the brain”
It's the brain fog you get after a hard bike ride and the excuse you use for messing up simple things. It's your brain after cycling.
Forgot to water the garden - Cycling brain
Took a wromg turn while navigating - Cycling brain.
Messed up the spelling of wrong and did not notice it - Cycling brain.
Somebody who is saying very stupid dumb things and is always getting you confused because they don’t make sense
Your such a bird brain. You are dumb
When you do something incredibly stupid by mistake. An obvious mistake that should for a task that's usually very simple.
Fernando: I was making cheese and crackers with salami but I put peanut butter instead of salami. Brain fart!
Josh: Yeah. Brain fart! And you're usually very smart.