Threaders' Angry or fed up.

Who are threaders?

Threadernoun. a device for assisting in threading a needle. Threadernoun. a tool or machine for forming a thread on a screw or in a nut.

What does ally mean in slang?

An ally is someone that aligns with and supports a cause with another individual or group of people. A straight ally, more specifically, is an individual outside of the LGBTQ community that supports their fight for equality and rights.