Well, he is. Not sure why you have such a problem with someone calling him a twink but okay.
Twink-
"A "twink" is usually considered a homosexual male with attractive, boyish qualities. Typically from the ages of 18-25, and often thought as a young, white, fashionable male."
"A young, attractive gay man with a slim, boyish appearance."
"Twink...... reply
