How to get my stepdad to talk to me after walking in on us?

a while ago my ex and I were... shall we say fooling around and my stepdad caught us. Now he barely talks to me. Any advice would be great.

Hi,

I think you should make the first move. Just say to him, "Hi, how was your day?" one night and see if he answers you. I think once you get past the first awkward conversation, it will get back to normal (assuming you usually have a good relationship). If he still seems awkward, just say something like "I'm sorry you saw what you did, you were young once too weren't you?"

Maybe you dropped way down on his 'respect/opinion of you meter' and is very disappointed.

just do that. talk to him he is little uncomfortable right now and doesnt know what to say to you so just go talk to him

he's more than likely very disappointed in you.
I know where you're coming from, I've been there, done that .. lol.
he's probably not ready to accept that you're growing up ..
but just give it time. things will get better

I combined all your solutions and put them to the test. Theres just one thing I didnt mention, my stepsister (also my best friend) was a part of it. my dad married her mom...I tried to talk to him but now he just looks at me ugly...

It sounds like he may be judging you, as the instigator of the problem. Are you the one to blame for it? Is his daughter younger than you are? If he thinks that you are leading her into inapproaite behavior, then he would probably feel that way toward you. If you are guilty, then you need to change, one thing that would surely be approaite is to tell him that you are sorry for what happened, and that you would like it very much if he could forgive you. Sounds like you made one step in the right direction, by stating that the boy involved, is your ex... that sounds like you and he are no longer together, so, that limits the likelihood of repeating this...

People make plans, God laughs, just wing it...go forth in truth and there is little more that you will be ablet to do other then that...he will be upset...then he will eventully forgive you...he might be disapointed but I am sure that he will see we are all human and fall short of the glorly of God, and we all have then same desires and needs we all think and fell in the same ways...every one is different true but...God has placed with in us the same basic needs..companionship and sexual desires are one of those basic needs he places in us.

Just try and talk to you Step- Father about the hole subject there is nothing else that you can really do..try not to over thinkit are stress it just do it.

Good luck and may God bless you and guide you...I'll prayer for your salvation and that he would put some one in your life that knows him and would have an impact..good luck though.