Questions about example sentences with, and the definition and usage of "Sike"

A: When you say something and actually something else is the truth, you can say sike. It’s a youth slang kind of like ‘just kidding!’
“I don’t look good today. Sike! I look amazing.”
“It took me 8 hours to complete.”
“Say sike right now.” (tell me you’re kidding/not serious)

A: Sike is an incorrect spelling of “psych”. It’s a slang meaning “just kidding” or “I got you!”, often when you make someone think something that isn’t true as a joke.

It’s spelled psych because it comes from “psychological”, like you messed with their mind.

A: just kidding, playing, joking, fooled you

A: since its spelt wrong, im assuming yhey mean it in a joking/childish/annoying way.
it means what they said before was a lie.

ex:

"your new shoes look great on you! sike!"

A: It is something that is said when someone else falls for a prank

A: Sike doesn't exist. Check and try again.

A: Hmmm 🤔

I think it’s supposed to be “psych”, which is when someone tricks you with words in a specific way. It’s pronounced differently than it’s spelled.

I’m not sure, at first it sounds like he is going to say ‘base is better than _______’ but he says something different instead. Maybe he’s trying to get you to think ‘base is better than violin’ but at the last second he changes it. So it was a trick.

* bass

A: sike значит, что предыдущее предложение неверное, и было сказано только для того, чтобы обмануть человека, с которым разговариваешь
https://www.youtube.com/watch?v=GPXkjtpGCFI
Кстати, это не очень вежливо