Maybe I'm stupid
But
Why
Oh why
IS YOUR SHADOW LIKE THAT?
I need an explanation I'm begging you on my knees rn
Link to the context for anyone who might be wondering about this mystery
In all seriousness, it was the shadow of my phone overlapping with the right side of the shadow of my head, giving my shadow the overall appearance of an object head.
Unfortunately, I am not an object head.
Also, I genuinely love this question @osocze--szatana and I hope you're not on your knees anymore after I answered.