"Didst bit" is an archaic term that refers to someone who has bitten or taken a small amount from something. There are many synonyms that can be used instead of "didst bit" to convey the same meaning. Some common alternatives include nibbled, nipped, tasted, sampled, grazed, sipped, chomped, and snacked. These words can be used in a variety of contexts, such as describing someone who has taken a small bite of a cookie, tasted a new dish at a restaurant, or sampled a new wine at a tasting. Using appropriate synonyms can help to clarify your language and make your writing more engaging and interesting to read.