mis·hap ˈmisˌhap/ noun an unlucky accident. "you are the definition of a bittersweet mishap." he is sweet but with a bitter aftertaste that arouses pleasure to anyone who is looking for a way to fit in his life. sadly, he's nothing but a bittersweet mishap that ruins people to the core with no source of mending broken hearts. JUSTIN BIEBER FANFIC™