If you see someone put an antenna on his or her car that is made of tin foil that could be described as janky. The fact that the idiot did it at all is janktification.
A rare mental condition consisting of a geek/nerd/you turning into a jock/preppie who may or may not be a douchebag. Incubation is 2 months while the process takes a minimum of 1 year and is usually related to puberty.