Hand Clam 

Clasping the hands together palm-to-palm, insert wet (preferably brined) hands in the anus of partner, and proceed to open and close the hands as if they are a clam, using the wrists as a hinge of sorts.

Clifford’s female companion smelled of fish, so in the spirit of the sea, he hand clammed that ass until he got a brown pearl.

Hand Clam by Do Whoosh Bo Baggins August 1, 2019

One hand clam stand

Phrase: The act of placing one's fist into the vaginal cavity of said women while she is squatting. Then elevating woman off of her feet to put her on display for other enjoyment.

Guy 1: Dude did you see Arnold and that bitch in a one hand clam stand last night?
Guy 2: Yeah, It made for a good show with all the noise.

One hand clam stand by Coochie Carnage May 17, 2013

Second hand clam 

When a man unknowingly eats another mans creampie.

Also known as Eskimo twat shot.

I had Scott cum in me this morning and didn’t tell Dave while you sucked it out of me.

“Omg Becky , you second hand clam”

Second hand clam by Teddilinn November 9, 2019

russian hand clamp 

When a fuzzy haired masseuse gives a thorough body massage to the client with goat butter; usually resulting in a nuclear cold war.

I got the best Russian hand clamp back in 1980

russian hand clamp by Tpooper69 April 16, 2015

Mexican Hand Clamp 

The act of transporting large objects (sheets of wood, mattresses, etc.) on the roof of one's car using only hand strength to retain the cargo.

Mexican Hand Clamp example:
Juan: Yo vato, we need to rent a truck to transport some plywood.
José: No esé, we'll just (Mexican) hand clamp that shit on my 94 Civic and drive reaalll slow.

Mexican Hand Clamp by Elijah Brown March 8, 2018