Is “Slammer” a Scrabble word?
Yes
SLAMMER
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 Slammer
noun
1.One who, or that which, slams.
2.(usually "the slammer") Jail, prison.
3.A tequila cocktail.