A nonsense word that can mean literally anything, it just depends on the context.
Devin: "You wanna go hankerskanker on that pizza??"
Carlos: "Yeah man!! I'm superrrr hungry!!"
Peter: "BRO!!! I just went hankerskanker on that
noob in Call of Duty!!"
Jeff: "Dang bro! He just got totally hankerskankered!!"
