It's right as he sees everything coming that he realizes that he's been very ungracefully defeated.

"Ah, Odin's balls."

He manages to say, just as he's struck with more snowballs then he imagined (though in all honesty, he wasn't exactly sure what he expected). The whole thing is overly dramatic, and he stumbles backward into the snow, laying there on his back with his arms spread wide.

Was that a cough?