clam surfing

The process of rubbing a semi erect penis across the opening of a moist vagine.

She wouldn't let me stick it in, I had to settle for some heavy clam surfing. White capped her belly.

pig pickle

When a man falls asleep while fornicating with an overweight woman resulting in hours of sleep with a submerged penis resulting in a pig pickle.

Ah man. I fell asleep in fat ass Tina last night. My dick is still a pig pickle.

rubbing clams

The act of vigorously smashing ones vagina into another's for pleasure.

I caught my sister rubbing clams with our cousin. Not sure how I feel about it.