Terrible 3’s???

How long has he been potty trained for?
I used to carry a "wee pot" when we were out and about.
But weeing on a bus, anywhere in or near the house big no!

Is is by accident or is he doing it for attention? My boy is autistic and went through a faze of peeing in corners of the house but I just told him it’s dirty and to use the toilet, I didnt yell and ignored it after saying that. Ignoring the behaviour can be sometimes more positive outcome than yelling. I hope you find a solution, sending love and hope ❤️

Sending him to bed and yelling at him is not an appropriate consequence. He’s not old enough to put together the action with the consequences especially since they are completely unrelated? That’s like taking away dessert for throwing toys. It doesn’t make sense to them. If they throw a toy the consequence is that toy gets taken away. If he’s peeing on the bus the consequence should be related, ie don’t get to take the bus or leave the house for a few days while he relearns where it’s okay to go pee. I know you can’t always put your schedule on hold if you have to go somewhere. If he’s peeing in a bottle or on the bus the consequence should be helping clean it up. After cleaning it up practice the behavior by taking them to the bathroom and have him sit on the potty so he knows what to do. Also yelling isnt going to help because if he’s doing it to seek attention he’s getting the attention even if it’s negative. You need to be as calm and neutral as possible.

Have a big, over the top positive reactions when he pees in the correct place. Monotone, minimal attention when he's peeing in the wrong place. Just calm, quiet reminder that pee goes in the potty.

If you can find it, How to Talk so Little Kids Will Listen has a section on problem solving with kiddos that I think would be really helpful here. He's at the younger end, but it's still likely to help.

The fixing would be to figure out why he likes peeing outside of the potty. Maybe he's scared of the toilet. Maybe he likes to stand when he goes. Maybe he just likes to be able to see the pee on the ground. There's ways to work around whatever it is that's causing him to act this way. If he wants to stand, see if he can get one of those toddler urinals. If he wants to be able to see it, you could have a special sidewalk area in the backyard or let him pee into the tub. Kind of gross options, but better than him being anywhere. And he'll grow out of it, regardless of what it is.