Dust!Sans when he sees Papyrus:

Human: *exists*

That one horny leopard:

Finally got 5 members!

WeeW

I've cursed myself (badly)

Me when I see them haters and am prepping a comeback to their hate:

POV: You are that latex blob from the vents.

Have a Squid Doggo!

Pyro mains when someone is in a corner:

When you are a wholesome furry and someone says "FuRrY bAd" but can't prove why you are bad.