A brain so small that when you shake their head you can hear the brain bouncing off the sides of the skull
by darrrrrrrrrr December 17, 2020
Get the Bell Brainmug. brain - means the head of the penis because it is suppose to look like a brain
it links into bell end ,bell head
it links into bell end ,bell head
by <Jamie> February 26, 2008
Get the bell brainmug.