When u grab your sack and squeeze forcing your balls to go tight against the skin, causeing THE BRAIN!!!
Dan-THE BRAIN!!!
Steve-AHHH WTF DAN
by J-dawg January 1, 2005
Verb. To be hit really hard in the head.
I got seriously brained against a brick wall and I still can't see straight.
Another word for head, or blowjob. This term is most appropriate however, because unfortuantley, most male brains reside in their penile regions
"That girl has a foot long tongue, I bet she gives great brain!"
by Rae Rae March 23, 2005
1. Stereotypical britbong with an obscene love for Harry and Meghan
2. A person with a tiny skull and medium sized brain
3. The biggest boomer you know
Droolio: Did you see the Oprah interview with Harry and Megan. It was soo good, I loved it.

Nakia: Sigh...whatever you say brainful
by Brainful March 23, 2021
Something that Justin Bieber fans don't have.
Susan: I have such a huge crush on JB!

Bill: I always knew you had no brain!
by Sum Gy April 3, 2012
To strike a person in, on or upside the head deliberately and violently oftentimes with a blunt object.
Nick told Jerry, "Pay me what you owe me or I swear I'll brain you with this crowbar".
by Nikki Stixx December 10, 2018