Braincrunch

When eating something crunchy one may find that they can hear the crunch louder in their head than others can hear it around them.

"Can I turn the television up, I'm getting braincrunch"

Braincrunch by Synatics January 17, 2010

braincrush 

When you have a crush on a person's brain, with complete disregard to appearance, availability, etc.

Laura has a braincrush on Thomas Jefferson.

braincrush by awesomeaardvark October 21, 2009

brainwrench 

An unexpected juxtaposition of words or images usually but not always containing a sexual innuendo that is not obviously apparent.

"Hey Jessie, pass me that chocolate fudge filled donut"

Jessie says, "That's not a fudge filled donut", as he hands you the donut, filling hole first.

brainwrench by John Hutchinson March 5, 2005