gronkish 

A person who has lost a lot of weight recently at the gym and is constantly talking about the gym and lifting, who creates instagram pages and posts videos of himself. Then builds a massive ego and does the most stupid things.

That guy over there has been a gronkish lately.

gronkish by the big os April 15, 2016

Grankisha 

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?

Grankisha by D4E November 29, 2017

gonkish

a person or persons who are acting stupid or acting childish

"omg he is being so gonkish"

gonkish by the gonkster September 24, 2008