Maybe they drilled too deep for some of those hair plugs and penetrated his skull and the hair's been growing on the inside and wrapping around his brain or something.
I mean everybody knows he's always been an azzhole and a pervert and a liar and very stupid but now that he's senile it's like he wants to take us all for a ride on the crazy train with him.

PRESIDENT BIDEN
very accurately
rearranges itself into
DENSE INEPT BIRD