The term Showman is given to a male who, when flaccid, his penis is of average to below average size.
However when erect his penis towers to an above average size
This term is often found amongst descendants of the 'Spicer' family
Girl: why is our penis so small?
Boy: Im a showman...
Girl: What does that mean?
Boy: Touch it and find out...
Girl: Holy Shit! Thats the biggest ive seen!