Wiktionary
vb. 1 (label en idiomatic) to interfere with 2 (label en idiomatic) to diss; to put down 3 (label en idiomatic) to joke around with or dupe someone, in either a friendly or unfriendly manner
Usage examples of "mess with".
But despite all suggestions, Kayli spent her off-duty time with Gori, much of it in the junior officer's mess with books spread all over the table.
Sharu said, sipping fresh juice the next morning at mess with a tableful of the Ban Sidhe's junior officers.
After all, the car was his job, and he didnt like having anyone else mess with a job he had started.
When you go back and mess with the past, another branch of history splits off from the main trunk.
When that mess with the Unseleighe against the Underhill side of Fairgrove happened, and I creamed my knee the first time, yeah.
Congress had to mess with everything they were given, and this time it was the roster that was pared.