Is “Keister” a Scrabble word?
Yes
KEISTER
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Keister
noun
1.The anus or buttocks.
2.A safe, a strongbox.
3.A suitcase; a satchel.
verb
1.To conceal something in one's rectum