Top Definition
The mobile operating system for Apple mobile products. Android and iOS are direct rivals. Personally, I believe Android is better for more advanced users, and iOS is for users who want a more simpleminded experience.
iOS is developed and maintained by Apple. It was created by Steve Jobs.
by Bhamilton0347 November 15, 2014
A system file on the Wii, that helps to run wii games.
i need to get a modded ios for my USB Loader, on my wii.
by CheatFreak47 August 18, 2012
International Online Soccer,a modification for half life. originally thought to be one of the pioneers in the creation of the acronym FTW and zomg
"ZOMG wanna play ios"
"ofc i wanna play ios, ios is ftw zomg what server?"
"dunno but Lua is a noob"
by Joey Von Boey a.k.a Hats``` January 25, 2006
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