When Elsa said, "Let it go," you took it too seriously and let go of your hairline.
Elsa's Hair Advice Gone Wrong
Explanation
Explain Bear
Listen up, numbskull. You see, when Elsa sings "Let it go," she means let go of your inhibitions, not your damn hair. The joke here is that the person went bald because they misunderstood the song. Get it now, or do I need to draw you a picture?
Anonymous
nice one