By soaking the person with the potion, everyone around the person will feel the aura of disgust and run away. Overusing it will also affect the person. The effect can be negated by washing the person with water until the smell disappeared.
In Stand by Me Doraemon, the bug off was change into bunch of pills in a bottle. The function remains the same except that overusing the gadget will cause a user to have a severe stomach ache. The effect will lose by vomiting.
- In the original manga, the gadget is a medicine tablet instead of potion. Presumably, this is changed to avoid connotation to suicide. However, in Stand by Me Doraemon, it was changed into a pills- like balls in a bottle.