A fork of Rural Dictionary
An extremely large bowel movement, or verb describing the production of said bowel movement. Named as a metaphor for the quality of Dwayne Johnson's (aka "The Rock") acting performance.
as a noun: "Holy crap, who left that giant Dwayne Johnson in my toilet it, it's gonna clog it up". as a verb "Oh man, you seriously did not just Dwayne Johnson all over my shirt."