Horse {they/them}

assuming something computer related, for me tutorials are for:

• a quick way of learning where commonly used things are in the UI
• an idea of what i can do with the thing
• the very basics that i can then look up in the documentation if i’m unsure or want to learn more about

like Cowbee said, it’s not rhyming slang, it came from a time before cockney rhyming slang was widespread in the uk

to expand, rhyming slang began as a very regional thing, so regional that it was a single (working class) area of london