Kind-hearted Little Sister [Mature]

The scene opens with a shout-out to the "peak brother" . He's just unlocked the fire extinguisher and is about to slam it into the ground when his sister-in-law comes running out of the house. She's so freaked out by what's going on that she doesn't even notice that her brother is using the extinguisher. The girl is all, "Oh, my brother's having a great time" , but she can't help but feel a little creeped out by the whole thing. She tries to get her brother to stop, but he's too busy trying to get the extinguisher to go off. She tells him to "swallow" and "plop" him, and he does just that. He tries to squeeze his way into the bathroom, but the girl won't let