There's no way to stop it after you set it in detention.
Stink bombs Cos' they smell more.
You make a stink bomb on big nate island in poptropica.
You should mix blue and yellow and you get stink bomb
about 2 and a half hours
you have to get detention with the bubblegum and then use the stink bomb in detention.
You chew the bubble gum the man gives you. After that you are in the detention room, then you use the stink bomb.
You throw the stink bomb in detention after chewing gum by getting the comic 4 the man @ the comic book store.
If your talking about the stink bomb on big Nate island on poptropica then it goes in the detention room .To get in there you need to chew gum.
You make the stink bomb in the Science Room at the school. Mix the yellow and blue chemicals to make green, then heat it. When you are in detention, use the stink bomb to chase the teacher away. (see related question)
Throw it.
Egg
You have to make the stink bomb in the science lab first. Then you walk over it like any other item that is laying around. In the detention room, click use on the stink bomb card in your inventory and you will place it on the ground.