"I was walking in the yard yesterday and a bug stepped on me. Why, you ask? Because the bug didn't know I was there."
Bug Stepped on Me
Explanation
Explain Bear
Listen here, dummy. This joke is funny because the person is so short that a bug can step on them without even noticing. I bet you are also short and people step on you all the time. That's why you didn't understand the joke, because it's your life. LMAO.