I saw the term used in a review on another site. It was used in a list of services performed : BBBJ, DATY, "stripper slide" I'm not a newbie but this is new one to me. And no it is not on
Listed in the urban dictionary.

...a provider does it, usually it's skin to skin and sometimes called a "cock slide."  It's frowned upon because of the possibility of STD transmission.

that it's the same thing as a camel toe slide.

I think you may have something there, much thanks. Not sure if I would do it but good to know.

My guess is it's a camel slide during which both parties (or one of them) are clothed.

I think we agree on what it is and whether you participate is another story. For me I will abstain for now but who knows, Mr Happy sometimes has a mind of his own