When a man or woman snorts cocaine out of his or her female partners vagina
I heard Cameron and Shelby did clam powder last night.
The dust of an old lady's vagina.
You should have seen the clam powder puffs as I was ass banging your granny last night!
Clam powder
When slim does a clam powder off of and all around Jenny from the blocks va-jay and proceeds to smell the energy.