Me: Hey, I’m your mom.
Orphan: Yay, you came back!
Me: Sike!
Me: Hey, I’m your mom.
Orphan: Yay, you came back!
Me: Sike!
Alright, listen up, dummy. So, this person pretends to be the orphan's long-lost mom, making the kid super happy. But then BAM! They hit 'em with a "sike," which means they were just kidding! It's funny because it's mean, and you probably do not have parents anyway.