Blade, amongst other definitions, refers to a female stoner. Usually a blade is a young female adult who likes to get high and may have a playful, provocative, even aggressive personality.
John's new girlfriend is a sharp blade; she is a lot of fun and knows how to spark up.
The Stormy Monday is a sexual tactic where the man repeatedly spits on the woman's face during anal intercourse. This tactic, similar to ass to mouth or tea-bagging, is one where the male derives pleasure by humiliating the female.
I was giving her the Stormy Monday last night when she freaked out and left the room.
A 'silk road' refers to a vagina that has been thoroughly aroused and is very moist. Can be the cause of natural secretions, added lubricant, or a mix of the two. Can also refer to an anus/rectum that has been thoroughly lubricated.
Mike said he fingered her for a half hour and even used lube so she would have a nice silk road.