a lack of experience in a certain field that is blatent and highly noticable accompanied by a complete ignorance of the fact said person has no experience or looks just plain stupid.
This is commonly used in car performance circles in conjunction with new rich kids with their daddy's money tied up in a car that they cannot handle correctly.
"Yeah, i'll never ride with Abadair again . . . that boy's driving is just hinkey."
" well, the problem is you're hinkey."