Facecase cracker
Someone who goes full-on face deep in other people's butt cracks until their face is raw and their soul is broken
She Facecase cracked her crush so hard he asked her out just to escape the ass crack forever.
At the bus stop, a Facecase cracker was so deep in a butt crack the bus driver had to honk the horn twice.
My brother Facecase cracked his math teacher and now he fails algebra from the ass crack trauma.