SLAMMER
jail, jailhouse, gaol, clink, slammer, poky, pokey
(noun) a correctional institution used to detain persons who are in the lawful custody of the government (either accused persons awaiting trial or convicted persons serving a sentence)
slammer
(noun) a person who closes things violently; “she’s a dramatic slammer of doors”
Source: WordNet® 3.1
Etymology
Noun
slammer (plural slammers)
One who, or that which, slams.
(slang, usually "the slammer") Jail, prison.
A tequila cocktail.
One who takes part in slam-dance.
One who competes in a poetry slam.
In the game of Pogs, the heavier piece used to strike the stack of counters.
(UK, slang) A slam-door train.
Source: Wiktionary