[Sans had to actually look up what that word even was and then had to look up how it was pronounced (more of this French thing he guesses?) and holy shit. He has to pat himself on the back for punning so well that even he didn't know it was a pun. Good job, Sans.]
[Meanwhile 4 shatters every single one of those vases, because 4 is an ornery cat, and is also a cat.]
[Sans does a bit more research and then unleashes the follow-up prank.]
[Also he chucked several fistfuls of catnip through Chara's window.]
4/15, later, with a sealed baggie filled with broken vase pieces (not sharp ones)
[Meanwhile 4 shatters every single one of those vases, because 4 is an ornery cat, and is also a cat.]
[Sans does a bit more research and then unleashes the follow-up prank.]
[Also he chucked several fistfuls of catnip through Chara's window.]