Means one of two things.
1:Something
one guy tells another to make a point.
2:A type of crucifixion where you are tranfixed to a fence post by having your pecker nailed to it where you will have to stay till you
die or someone comes along to rescue you.
1:Hears the keys to my car.Put a dent in it and I a nail your
pecker to a fence post.
2:There's that queer again.Lets nail his
pecker to a fience post.
And that is the meaning of nail his/your
pecker to a fence post.