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While going through animal flashcards with her son, one mother discovers that the word "donkey" sends him into an uncontrollable laughing spree.
The adorable toddler isn't impressed by turtles, kangaroos or geese, but there's something about a donkey that is just hilarious to him.
"Why is donkey so funny?" his mom asks in the video, which is called "Donkey Delights Lil' Dude" and aired on "America's Funniest Home Videos."
By the end of the clip, you'll probably find yourself laughing at the word "donkey" as well. His laugh is too contagious!