When we were little and we would say something mean, our dad would just make us recite this. BTW, Thumper was the only thing I liked about Bambi. My favorite character ;) Mostly because I liked saying "Thumper"
TBPW: Things About Monsters Inc You (Probably) Never Knew
You may have thought that the quote is not funny but think about it; Mike has one eye and we had two, you know how we say "when I first laid my eyes on you" well he only had one eye so it's "When I first laid my eye on you" that's why it's comical