Guff (noun)

1. Insolent or impudent talk; nonsense.
2. Meaningless or nonsensical talk, or something that is considered to be foolish or unimportant.

Origin:

From the word guffaw, meaning a burst of loud, unrestrained laughter, or from the old english word "guffian" meaning to mock or scoff. it"s a word used to describe something that is meaningless or nonsensical.

Examples:

1. The politician's speech was filled with guff and empty promises.
2. The comedian's jokes were mostly guff and not funny.
3. He dismissed her argument as guff.
4. The sales pitch was full of guff and didn't make any sense.
5. The customer dismissed the product as guff and not worth buying.