A fork of Rural Dictionary
A bastardization of "beat me to it" from r/beatmetoit. The subreddit r/beatmeattoit is mostly comprised of shitposting and constant reposts.
In literal terms, "beat meat to it" means to beat your meat aka masturbate to something.
You know the 76th repost of "The spinning chicken nugget? Repost in 24 hours or you are dead"? I definitely beat meat to it.