Tobacco water is produced by boiling strong tobacco in water, or by steeping the tobacco in water for a longer period.
Nightshade family plants, such as tomatoes, potatoes and tobacco, have toxic compounds called alkaloids in their leaves. These toxins are water soluble and can be soaked from chopped leaves and made into home-made sprays.
You can brew your own batch of nicotine tea by soaking tobacco leaves or cigarette butts in water to make a spray.
Soak 1 to 2 cups of chopped or mashed tobacco leaves in 2 cups of water overnight. Strain through cheesecloth or fine mesh. Add about 2 more cups of water to the strained liquid
Soak 1 cup of dried, crushed tobacco leaves from store-bought cigarettes in one gallon of warm water. Or you can use 1 cup of loose tobacco. Strain the mixture through cheesecloth after it has soaked for 1/2 hour. The solution will keep for several weeks if stored in a tightly closed container.