The male reproductive and urinary organ. It generally dangles down from the body of the owner and varies in length depending on several factors, namely:
The
person who is telling you;
The place where the
root of the penis is located (if in the crotch usually no longer than seven inches when erect, if between the ears usually up to
five inches longer than that)
The
person being addressed and the state of dress of both parties (if a present partner and both naked, the answer is most likely highly accurate. If a member of the same sex and both clothed, the length is usually overstated by up to five inches)
etc