The action of thinking about two different subjects or ideas while attempting to communicate, usually resulting in communications failures.
Person A: I just hit a deer.
Person B (Thought 1): Did it have antlers? That would be a buck.
Person B (Thought 1): I hope you avoided getting hurt. I probably would have ducked.
Person B: Was it a duck?
Person A: No, but I wish it was.
Person A: I'm sorry, I was split braining there.
Person B (Thought 1): Did it have antlers? That would be a buck.
Person B (Thought 1): I hope you avoided getting hurt. I probably would have ducked.
Person B: Was it a duck?
Person A: No, but I wish it was.
Person A: I'm sorry, I was split braining there.
by Chuck80 December 6, 2011
Get the split brainingmug. Someone who has smoked a viscous amount of methanphetamine creating a slurry of a brain/ someone with severe down syndrome
by Jamoneywoney June 3, 2021
Get the P brainmug. Argument made by a brain-fucker. Usually consists of: (1) emotional rhetoric that contain few (if any) facts, (2), conspiracy theories and accusations against opponents that are not supported by evidence, (3) arguments that opponents are members of "discredited" groups (i.e. globalists, liberals, racists, etc.)
"I heard (so-and-so) say that Mexicans should be kept out of the US because they are all rapists and murderers!"
"That's a load of brain-fuck!"
"That's a load of brain-fuck!"
by Dr Wierdsmith December 14, 2019
Get the brain-fuckmug. 
What are you doing even talking about flame brain (someone that didn’t know what the fuck is going on) :((((
by Pheobe98 February 13, 2021
Get the Flame Brainmug. by qazx528 June 26, 2010
Get the brain tubmug. by David likes Big Macs November 11, 2019
Get the Brain Hinmanmug.