The rare phenomenon of when the fundexture of the brain has grown to abnormal proportions which causes one to act abnormally insane around his or her peers. Usually prompted by large intakes of sugar.
"There she goes again, telling that story about a rock to everyone in the street...must be the fundexturitis kicking in"
by sar1012 July 21, 2009
Get the Fundexturitis mug.