To understand the origin of the noodle gun, you must first understand the Noodle Boy. The Noodle Boy is discussed on the No Agenda Show on episode number 332. He is also explained in the below Animated No Agenda video.
The noodle gun is used by the "Noodle Boy Generation" to pressure companies into saying things or cancelling people or things as part of cancel culture. It is described in the below Animated No Agenda video.
Microaggression is a term used for brief and commonplace daily verbal, behavioural, or environmental indignities, whether intentional or unintentional, that communicate hostile, derogatory, or negative prejudicial slights and insults toward any group, particularly culturally marginalized groups.
Some examples of common microaggressions are mentioned in the below scenes from "Last Man Standing."