A male who is able to get an erection on command and stay erect for sexual activities, like
intercourse, for
relatively long periods of time. This term is
particularly used to describe male actors on the sets of gay porn films.
The camera crew was delighted to
discover Tucker and Spence were both
unicorns. Despite the fact that they were both straight, they were able to shoot their scenes with minimal needs to cut and take breaks for
fluffing.