The term 'LIKE BO PEEP'S FLOCK' can be summarized as referring to a group of ovine, which is a five-letter word for animals of the sheep family. Bo Peep is a character from the nursery rhyme 'Little Bo Peep', who is known for having lost her sheep and trying to find them. Therefore, the phrase 'LIKE BO PEEP'S FLOCK' is used to refer to a group of sheep, similar to the flock that Bo Peep had.