Drop Silk

Pre-ejaculate (aka precum) from when your woman's getting you worked up. Male equivalent of when a woman's vagina lubricates itself, which is more commonly referred to as "getting wet."

Damn, girl! You lookin' delicious in 'dat garter belt and silk stockings..I'm about to drop silk!

Mouth silk

When you have sperm in your mouth

That mouth silk sure tasted good!

Buttery silk

Smooth as hell, but gross.

Chad Kroeger's voice is like buttery silk.

silk cannon

A slang for pension

She sucked on my silk cannon until it started shooting missiles

Silk Moth

Fluffy lil guy. He is a domesticated moth, used for only silk :(. One like one Silk boi kidnapped and saved by me.

Mean guy: "I have a silk moth for silk."
Guy: "couldnt you just... do it some other way?"
Mean Guy: "..."
Guy: "..."

silk rider

all silky smooth

shes a silk rider ;) not a hair in sight

Penis Silk

Pre-cum

She loved milking his schlong for his penis silk.