There's a moment of tension as the dog stares at him, silent, and Newt can feel his spine stiffen further, something in him tensing, fingers starting to reach for the knife in his jacket pocket, just in case---

--except, then he's completely doused with ice water. Newt can't help but shriek, loudly, both from the sudden shock and the temperature of the water, and jumps about half a foot in the air. Unfortunately, this also means he takes a mouthful of water as it's dumped on him, sending him into a bit of a coughing fit, as his mind catches up on the fact that he just had a whole bunch of water dumped on him from literally nowhere. Newt glances up above his head as he coughs and...yep, no bucket. No waterfall. Nothing.

He turns a glare on the dog in front of them, teeth grit into something like a snarl. Well, as much of a snarl as he can manage while he's still coughing. "Considering the circumstances--" hold on, pause for coughing. "--It's no surprise that I'm suspicious!" It's snapped, but it's very hard to take this soaking wet nerd seriously now that his hair is plastered to his face. He starts to wring out the edges of his shirt, still scowling darkly, now muttering: "Still haven't answered any questions, either--"