Keira

A horrible person who looks very pretty but tears people's hearts.

She looks like a pretty girl and act so nice but as soon as you date her you find out she's a raging narcissist and both physically and emotionally hurts you.

"Didn't you date that girl?"
"Yeah I did, she's a piece of shit and a narcissist."
"Oh, so she's a Keira."

Sneaglesnapp

The act of twisting someone's balls and flicking them to where it makes a snapping noise.

"Yo bro last night my girl Tanya pulled a Sneaglesnapp on me, my testicles are still sore."