4 ms·Huff it to get highby fnordpiglet 4y agoHuff it to get highlovemenot 4y agoAssume you were thinking of nitrous oxide N2 O. C O is deadly when inhaledgweinberg 4y agoAnd not even fun before that. People suffering from CO poisoning don't realize anything is wrong, they just die. Which is why we all have CO monitors now.