A parental term used to describe a grandmother. The name is usually used in conjunction with names ending in "kisha" such as Kisha, Lakisha or Shunkisha.
Grankisha is watching the kids tonight.
Mom, why is Grankisha being so petty to Uncle D?
A criminal-minded person who commits or has committed an armed mugging and murder with a knife or knife-like weapon. (i.e.- the bastard ganked your wallet and shanked your sorry ass.)
Stay away from Maurice, man--the dude's a damn gankashanka.
gankish means something ridiculous, crude, or otherwise sufficiently vulgar.
it is often used as an adjective ("wow, sending me pictures of you sodomizing
my sister was a gankish thing to do") or in one of its mutated forms, ie - gank ganky and regunkulous. one might describe a lecherous bastard as an "old gank".
one might say that same bastard is "ganky. one might even desribe the bastard's language as "regunkulous".