In networking, a setting that binds a dynamically learned attribute so it does not age out or change. For example, sticky MAC addresses on a switch port restrict access to the first device connected, and sticky sessions on a load balancer force a client's traffic to always route to the same backend server.
Heard on the job
Configure sticky MAC on that interface so nobody can unplug the terminal and plug in a rogue laptop.
Insider tip
Sticky always implies taking something dynamic and locking it down for security or consistency.