Why did the bike fall over?
Because it was two tired.
Why did the bike fall over?
Because it was two tired.
Listen up, buttercup. This joke is all about the sound of the words. "Two tired" sounds just like "too tired." See, a bike can't really be tired, but the joke wants you to think about it that way. You probably think about things the wrong way all the time, judging by this joke.