There is a class of Stooge short which you'll sit through enjoying it very much, and then comes a minute or two, usually when they're trying to get some real work done, that rockets the episode straight to comedy Nirvana. Cash and Carry is one of these, as are Loco Boy Makes Good, They Stooge to Conga, and ( I'll get annihilated for this, I'm sure, but I've seen it happen ) the Swingaroo Joe scene in Rhythm and Weep. There are many others, but I'm sure you get where I'm coming from. Needless to say, the ice fishing scene elevates this one into that class. Moe's groaning as his head comes ever nearer the hole is priceless. This is also one of the first ( not THE first, but one of them ) examples of what for me became a successful formula: rather than wailing on the other two at random, Moe hits them because they have just damn near killed him. It's from this point on that Moe starts taking the brunt of Curly and Larry's ( and of course Shemp's ) idiotic accidents. This formula dates back sporadically at least to Cash And Carry, and obviously the random violence doesn't stop, either, but the set-pieces of the two getting Moe into trouble and then only making things worse justifies the punishment a bit, besides of course being hilarious, and continues all the way to the glued-to-the-chair scene in Outlaws Is Coming.
And again I'll say that I don't think those verbal slip-ups ( lizard-blizzard, firehouse mouse ) are accidents that got left in - they are all of the same type, and they all have at least some element of humor in them, and there's no pause in the action by any of the actors. They're puns, or malaprops, or tongue-twisters, or whatever you want to call them.