"Within two whoops and a holler" is a colloquial expression that means a very short distance or time. This phrase dates back to the 1840s and is derived from the sounds of cowboys whooping and hollering to communicate over long distances. If you're looking for synonyms for this phrase, you could use "in a jiffy," "in a flash," "in no time," "in a split second," "in a moment's notice," or simply "quickly." All of these expressions convey the idea of something happening very quickly or within a short period of time. In conclusion, while "within two whoops and a holler" may be a fun and unique phrase to use, there are plenty of other ways to describe something happening quickly or within a short distance.