White Triangle 

The gesture commonly used by middle aged white women when asking to speak to a manager. Often pointed or wagged, the gesture is meant to convey disapointment, sternness, or emphasis. The gesture Is formed by creating a triangle with the index fingers and thumbs, while folding the remaining fingers. It can be opened or closed, forming a double finger point, depending on the situation they are complaining about.

Coworker 1: Wow! What did that woman want?

Coworker 2: She wanted to return that item well past the 30 days. She would not take no for an answer. I knew there was nothing I could do as soon as she pointed the White Triangle at me and asked to speak to my manager.

White Triangle by Shevy.Chase April 12, 2017

White Triangle 

In the space where normal people would have genitals, persons of no sexuality whatsoever are said to have white triangles. The term "white triangle" can be applied to anyone you cannot picture taking any sexual activity whatsoever.

Man, Robert's a white triangle, he'd rather do homework than a girl. He's not havin any of that.

White Triangle by effyelizabeth February 22, 2011