Make blonde jokes!
A person who stays up all night wondering if there is a dog.
He was up all night to Get Loki.
CGI Friday's
They go Bar Hopping!...
Prom night.
A: A Brunette who's been tellin one too many blonde jokes.
A brunette that's told one too many blonde jokes.
Gingervitus.
Because it's so easy to make a ginger snap.
A: It matches their mustaches.
A: After a dye job.