Sterno which is separated from the wax by squeezing it through a cloth - often a dirty sock. Sterno is a canned cooking fuel used under buffets and for camping. Squeezing it produces methyl alcohol, (methanol), which produces an intoxication when drank. Its a last resort for an alcoholic who can't afford drinking beer or liquor.
My mom is too poor to drink liquor, she just likes squeeze.