Brain-Child 

When two or more people come up with an idea together

My friend and I just had a brain-child. What if, hear me out, we mixed the cake mix with the waffle mixture?

Brain-Child by bitchassmotherfuck April 8, 2019

brain child 

Another term for "thought" or "idea". Commonly used amongst unpublished writers (such as writers of fanfiction).

Person 1: Hey, you copied my story!
Person 2: No I didn't, it was MY brain child!

brain child by Rina-chan August 5, 2006

brain child 

the FUCKED UP idea of someone who just comes up with something totally random and puts it into motion without thinking about it first

Person 1: "Why the hell are we doing it that way now?"
Person 2: "I don't know, it was dickhol's brain child"

brain child by jessewallace October 14, 2011

brain child 

A newborn baby whose conception is the result of skull fucking.

Nine months after Brian released his nut into Jess' skull, little Igor, their Brain Child, was born on a full moon, just in time for the late summer harvest. The new family celebrated with ice cream cake.

brain child by brainbutter February 17, 2010

brainchild 

a revolutionary new idea or concept, having mostly a positive effect to society.

The assembly line was the brainchild of Henry Ford, ushering in mass production of automobiles and significantly reducing their price for a while.

brainchild by Polo July 16, 2006

branchild 

When you eat too much All-Bran and shit a loaf the size of an infant.

Damn, my ass is still sore from giving birth to that branchild this morning.

branchild by daledimmadome July 18, 2017

molest a brainchild

To misuse or attack someone's well thought out concept to a disgusting extent.

I had a solution to the fund-raising problem, but Herb messed up my idea so much that we're now being sued. He sure knows how to molest a brainchild.

molest a brainchild by AbnormalBoy January 7, 2007