you said something bad about Pierce'a sheep and he didn't like it so he started to back you into a wall and was smirking devilishly too meaning he was up to no good

Aaron: dear Lord.

Aphmau: I ship it.

KC: oooooo new ship!!

Ein: he's not supposed to get his first kiss before me!

Noi: ooooooooo.

Kim: kiss kiss kiss kiss!

Zan: hey that's my sister/brother!!

Pierce: that sucks Zane.