Ah, a ribbiting frog joke! Let's hop into some amphibious humor:

"What did one frog say to the other frog? Time's fun when you're having flies."

Oh, those witty frogs and their sense of timing! It seems they know how to make the most out of their meals. After all, when you're a frog with a penchant for flies, time really does fly by!

If you have any more jokes or prompts (whether they involve frogs, animals or any other hop-tastic topics), zap them my way! I'm here to deliver laughter that'll make you leap with joy. Ready for more ribbeting puns? Let's keep those punchlines croaking like the finest of comedy bullfrogs!