Sorry, I couldn't resist...
forked double
hugh wooden
completely black and swollen
ponderous turgid
three-inch artificial
small but completely functional
nevertheless rigid
large, visible
substantial lifesize
seemingly gargantuan
great flaccid
obscene, malformed
abnormally large and long
rudimentary but quite distinct
unusually short and thin
poor flaccid
last limp
always swollen and ready
dim-witted ambulatory
enormous flaccid
completely functional