Yankee

Yankee (n.) — Informal: A habitual male masturbator; one who "yanks"/partakes in "yanking" way too much for their own good.
Also see: Wanker.
Obsolete: originally referred to Americans, especially from the northern United States.

New: Fuck off wit' your circlejerk invitation, John, y'all just a bunch of yankees.
Old: Those bloody Yankees will put cheese on anything if you ask them.