Homophobia is gay.
Meaning of the quote
The quote means that being afraid or hateful towards gay people is actually a strange and confusing thing. It's like being afraid of your own sexuality. The musician is saying that homophobia, or disliking gay people, is actually a "gay" or strange thing in itself. The person who is homophobic is the one who has the problem, not the gay person.
About Frank Iero
Frank Iero is an American musician known for being the rhythm guitarist and backup vocalist of the rock band My Chemical Romance. He has also had a successful solo career, releasing albums under the name Frank Iero and the Future Violents. Iero has a diverse musical background, having been involved in various other bands and projects over the years.