I'm going to make a homophobic joke to my lgbt friends
Why would you make homophobic jokes to them?
I'm just trying to be funny and smooth with my jokes.
You know what kinds of people your friends are, so you should be more careful in your jokes with them. They may find your jokes hurtful and not want to be your friends any more.
They should not take a joke with such offense.
You should know that homophobic jokes are going to be offensive to them. There are way to tell jokes that are funny without being offensive to your friends.