If you type 'victory slogans' in a search engine you get very mixed results, because there are so many different kinds. Your question really needs more detail in order to get a good answer. For example, are you looking for slogans for your team, and if so which sport do you play? Shoud the slogan go on a T shirt, a banner or somewhere else (this will affect the length and style.) If you ask another question with more detail I'm sure someone will be able to help you.
