Have fun remembering the famous advertising slogan used by the Barnum and Bailey Circus company as an aid to the advertising, publicity, promotion and marketing of their product. This famous slogan is so well known that it has entered our everyday language and used as a quote or quotation. This famous and familiar advertising slogan is now seen as a clever saying and catchword used as a motto and catchphrase to identify the brand. This famous advertising slogan has been made even more popular and memorable by the addition of a catchy jingle - a great example of a celebrated ad slogan. The most famous and well-known of the advertising slogans are familiar when they are in the humorous and funny ad slogan category. Remember this famous advertising slogan?