What is Black Maria?
1.
the car they take you to jail in. sort of like a paddy wagon.
mostly used in england
You know it means no mercy
They caught him with a gun
No need for the Black Maria
Goodbye to the Brixton sun
See
2.
Glaswegian
The large black police bus that takes neds to the jail from police offices
"Who'sina Black Maria?"
"wee Jimmy, aff tae the Bar-L"
See