When you say anything funny in any form, shape, or way and then an unfunny kid tries to copy you and it becomes unfunny after that because they're obnoxious and stupid
steven: I hop out with a stick i hop out with a gun, finish the lyrics!
shiv: LOL
steven: *tries to hold in laughter*
sylus: BWAHAHAHA
-later that day-
shiv: I hop out with a stick i hop out with a gun, finish the lyrics!
Everyone: thats not funny why would you ever say that im never gonna laugh or use that joke again
Unknown kid: Thats the shiv effect for you!