brain-slap 

verb. to surprise yourself by doing something unexpected or something you thought was out of your league

I used to think I was stuck in my behavioural patterns forever. Then I brain-slapped myself.

Doing something revolutionary like asking for help really brain-slapped me.

brain-slap by Krkič February 12, 2019

brain slap 

a slap so hard you knock their pea brain out

"had to give that bitch a brain slap"

brain slap by Qwerty453213 January 20, 2023

brainslip 

what happens when you're trying to think about something, but you're brain either
a) just won't engage, or

b) does engage, but won't provide any traction for your thoughts

Steve - Hey Bob, what's the ... uhhh ...
Bob - Out with it dude.
Steve - Dunno man. Total brainslip.

-----------------------------------

Joanne - Hey Suzie, how's your term paper coming along?
Suzie - Its not. I can sit for hours and think about it, but I just get total brainslip
Joanne - Haha ... just like the clutch in your old Datsun used to slip after you ground the gears out learning to drive.
Suzie - (moans) Oh, its worse than that!!

brainslip by karbyn February 11, 2010

brainsnap

noun and verb

when you suddenly have a complete psycho and all logical thought and reason takes a back seat to your rage and anger. sudden act of rage, without premeditation.

dangerous and illogical things happen.

"My god, what happened here?"
"Tim brainsnapped and thwacked him"
OR
"Tim had a brainsnap and thwacked him"

Examples:
Smashing a whole cupboard full of crockery on the footpath cos your plate wasnt cleaned properly. (From: He Died With a Felafel in His Hand)

brainsnap by chuckles mcdagger February 11, 2008

Brainlapse 

This usually occurs early in the morning, and the period you can be affected by it will extend the less sleep you got the previous night. During a Brainlapse, you forget where you were going, what you were doing and sometimes who you are.

Brainlapsing is usually accompanied by a halt in movement until the Brainlapse has passed.

Person 1: Hey, Person 2.
Person 2: ...
Person 1: Hello?
Person 2: Wha-
Person 1: ...
Person 2: Oh, right. Sorry, I had a Brainlapse. I was up late last night.

Brainlapse by Jake Was Here December 26, 2007

Brainsoap 

A clever product thought up by two rather stunning Canadian girls that allows one to wash harsh images and thoughts out of one's mind.

Girl 1: Hahah, what if your boyfriend wore a leotard?

Girl 2: NO. NO. NO. GET THE BRAINSOAP NOW! AHHHHHHH IT BURNSSSSSSSS.

Brainsoap by awesomecanadians February 18, 2011

Brainslap 

The action of open palm slapping someone so hard on their forehead that they feel it in their brain.

"Barry just brainslapped his brother."

"What the heck are you talking about?"

Brainslap by PocketBee May 20, 2023