To yank a person's junk.
Oh my god, dude! You totally just janked him!
Jank is not such a common word. It is only used when something is crappy, bad, sucky..etc.
jankcrapcrappysuckyshitty & bad
A project that is composed of more than 40% duct tape
Brian: "Hey Joe, how's that engineering project coming that you and Roberto are working on?"
Joe: "I did all the programming and that works fine, but I let Roberto build it so you know it's jank."
The word means jews that sucks balls.
Look at those janks over their with that guy.
This word doesn't mean anything to anybody that counts as a person. It is below slang. It is a non-word. It is most often used by people attempting to look cool instead of just stupid.
"Let me see that janks."
"Shut up, dumbass."
"That janks was awesome."
"No it wasn't, and neither are you."
Michigan definition: to be far superior than someone that you know.
My pants are way more jank than yours.