Similar to a glare or a stink eye.
Sometimes intended to make someone feel uncomfortable.
It's a rude action.
I couldn't find my hair tie so I went to the athletic training room to get some pre-wrap. Unfortunately, Ms. Bergin was teaching a class there. As I walked in, she stopped talking and stared me down as she didn't like me walking in. To confirm this, she repeated her words as if I was a huge disruption and slammed the door shut behind me.
She performed a stare down to show her displeasure of a person walking through her class.
When a friend agrees to wingman or accompany to an event, a hangout, or a request.
>>>A life saver.
Elizabeth: you wanna chill at the mall over break?
Sarah: yeah! I'm down!
Elizabeth: Sarah always pulls through.
Elizabeth wanted to do something over break instead of boring herself at home. When others didn't want to go, Sarah pulled through when she agreed to go.