<unk> s are a group of<unk> s that include methanol, ethylene glycol and isopropyl<unk> . They are<unk> s that should not be drunk due to various toxic effects, mostly due to toxic metabolic breakdown products. They are in contrast to ethanol, which is much better tolerated by the human body and is commonly used as a recreational drug, being the<unk>  that is found in<unk> ic drinks. One notable example of a<unk>  is surrogate<unk> s.
Toxic alcohol
Alcohol 
Tin poisoning
Toxic heavy metal
Mozambique funeral beer poisoning
Theobromine poisoning
Toxicant
Me-too drug