I can't get my bicycle to stand up by itself.

I think it's because it's two tired.

More dad jokes you'll groan at

When you have a bladder infection Urine troubleHow do you identify a bald eagle? All his feathers are combed over to one side.Why was the broom late? It over-swept.You can tell it's a dogwood tree from its bark.How do you follow Will Smith in the Mud? Follow the fresh prints.What's the difference between Yogurt and America? If you leave Yogurt alone for 200 years, it'll develop a culture.