Give tumble is a phrase that often means "to fall" or "to stumble." There are a variety of synonyms for this phrase that can be used to add variety to your writing or speaking. Some of the common synonyms include "take a spill," "trip and fall," "lose footing," "hit the deck," or "bite the dust." You could also use less literal phrases such as "take a nosedive," "meet the ground," or "fall head over heels." No matter which synonym you choose, try to incorporate it in a way that makes your writing or speech more colorful and engaging, helping to bring your message to life.