ISO
ISO has 4 meanings
In search of
Example
ISO a female tennis partner between the ages of 20 and 25
Related Slang
Categories
Isotonitazine
Iso is short for "isotonitazine," a dangerous synthetic opioid much more potent than morphine and fentanyl. It is one of many drug abbreviations, along with xan, addy, and cid.
The drug gained popularity on the streets near the end of 2022 and the beginning of 2023. It may appear in various forms, including tablets, powders, and solutions.
You will likely only see the abbreviation online or in texts in convos about the drug. For example, "Be careful about iso, it's way too potent and potentially lethal."
Example
Don't play around with iso. That stuff is dangerous
Yeah, my cuz almost died from an od
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ISO stands for "In search of," and is typically seen on social media and in classified and want ads. It is used to communicate that you are looking for something or someone.
While ISO was more often seen in ads in newspapers before the 2000s, the acronym is now more commonly seen on social sites, like Facebook or Twitter. People typically start their post with "ISO," and then follow it with a description of something they need.
One common thing often searched for is a reference for a service like furnace repair or landscaping. People also commonly look for used items others are looking to get rid of, usually for free, like hand-me-down kids shoes or furniture.