The fly and the bird are doing that thing from movies where the bird doesn’t know how to act around his love interest, so the fly follows the two around on a date and whispers advice to him. It’s just like Roxanne, down to the probiscus/funny nose, but with more references to weeming.
Awesome. Well, I’m going to go weem at the walrus, if you know what I mean.
You had me entirely lost with the last panel. But up until that, hilarity!