Why don't bicycles stand up on their own?... excrement hair hearing seeing sports Please Rate Vote 1 Vote 2 Vote 3 Vote 4 Vote 5 Today's featured daily humor:Why don't bicycles stand up on their own? Because they are two-tired!Click for another laugh! Previous article: I'm confused why Lowe's delivered my bathroom vanity...... Prev Next article: Why don't secrets last?... Next