The phrase "a little while back" is commonly used to refer to a recent event or occurrence. However, there are many synonyms that can be used to convey the same idea. Some of these synonyms include "recently," "recently past," "not long ago," "lately," "a short time ago," "only a little while ago," and "just a few moments ago." These phrases can be used interchangeably with "a little while back" in order to add variety to one's writing or speech. By using synonyms, writers can make their language more engaging and interesting to readers, while still conveying the same basic message.