My small dog ate some pot , he's very jumpy but sleeping , what should I do ?

Can weed kill my dog ?

He might eat your junk when he gets the munchies, that would make you really unhappy not having your sausage any more..

No, not unless your poor dog goes off the deep end, literally, and dies from a fall or being hit by a truck.
Keep in mind that ingesting weed is more potent that smoking it and that dogs metabolize a lot faster than humans. Most mid sized to large dogs weigh only about 1/3 of most humans too.
It isn't really fair to get a dog stoned without his informed consent, which he can't give. I suppose if you fed him some in a food he doesn't like and he wants more, that is his OK, but how likely is that? Weed is bitter.
Lots of people blow smoke in their dog's nostrils. I've never seen a dog get stoned from that.

I see you edited your title question, which WAS can weed kill my dog.
What you should do is give him food and water.

Death from marijuana intoxication is practically unheard and the extent of symptoms that you see will depend on the size of the dog and how much he ate.
I see that you posted this about 12 hours ago, so his ordeal should be over, it usually lasts about 3-12 hours. So I will spare you the symptoms that you may see.
I trust that this was accidental and he will not have access to it on the future.