When it comes to phrasal verbs, "tripped on" is a commonly used one. It usually refers to the act of stumbling or losing one's balance while walking, often resulting in a fall or loss of control. While this phrase may come in handy, it's always a good idea to have a few synonyms under your belt to avoid overusing it. Some alternatives to "tripped on" could be "stumbled over," "wobbled," "teetered," "tottered," "lost footing," or "fell clumsily." These variations can add some color to your writing and help you avoid repetition, while maintaining the same basic meaning.