Idiopathetic 

condition favoring a genetic predisposition for suboptimal performance.

We dont expect much from people diagnosed as idiopathetic

Idiopathetic by idiopathetic January 28, 2012

idiopathetic 

absurd, laughable, pitifully inferior, or inadequate quality -- especially if arising spontaneously or from an obscure or unknown cause.

• From whose ass did you pull that idiopathetic pick-up line??

• I am equally amused and bemused by Matthew Inman's idiopathetic cartoon style

• Nice decor, but this restaurant has idiopathetic service

idiopathetic by bobsyourunclesbollocks December 4, 2013

Idiopathetic 

To have no knowledge as to why someone is substandard, or has substandard performance.

I dont know why you did something that stupid, it was idiopathetic.

Idiopathetic by PoindexterAlbert May 11, 2014

idiopathic

Facy medical terminology with translates into the Common Speach as "Hell if I know".

Sarcoidosis is an idiopathic disorder, usually affecting the lungs.

idiopathic by TheDoctor88 February 17, 2015

idiopathic

medical diagnoses for unknown mechanism of absolute stupidity.

Kyle suffers from idiopathic stupidity.

idiopathic by polarhannah December 9, 2008

idiopathic

a word used to to describe someone who is both an idiot and a psychopath.

stay away from that guy, he's a completely idiopathic

idiopathic by Xiao Shi May 1, 2011

idiopathic craniofacial erythema 

Extreme shyness. A tendency to blush at the slightest provocation.

When I was very young, my sister caught me watching her bath. I have been afflicted with idiopathic craniofacial erythema ever since. I am seeing a shrink about it.

idiopathic craniofacial erythema by klumsyklutz January 23, 2012