. A modern kick/ban script must be "FE" compatible to work across the server. Kick vs. Ban:

: A script in ServerScriptService that listens for the RemoteEvent, verifies if the sender is an authorized administrator, and then executes the :Kick() command. Functional Methods

This is likely slang (derived from Spanish "patea a cualquiera" or similar) used in the scripting community to describe a script that can "kick anyone". Essential Functions of the Script