1. alternative spelling of keister and keester.
2. Ass
3. Guy who is an ass
4. Guy who has a dick stuck so far up his ass that he thinks that Kiester is a town in Minnesota or a last name.
1. I kicked him in the kiester.
2. I kicked his kiester so hard that he flew over the moon.
3. That kiester is an ass of a guy.
4. That kiester thinks that I just called him a town in Minnesota
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