Define Sister Mary Meaning

Sister Mary

Jonhnny: Can I have some of that Sister Mary?
Timmy: It's $10 a gram, come back when you have the cash.
By Dora
Sister Mary Norbert
a mean principal from a crappy ass school. Also known as Captain Dyke

Stupid Captain Dyke gave me the six foot rule for hugging someone. How gay is that?
By Berenice
Sister Mary Catherine

Who's that bitch from Sister Act 2?
Oh, that's Sister Mary Catherine.
By Karlee
Sister Mary Koont
a fat fucking nun with a loose pussy

By Demetris