1) noun - a type of nonsense that is spoken, often by accusation (see example).
2) adjective - * due to the primative environment which words such as 'fraff' are used, it is hard to distugnuish between the adjectival form of the word and the noun; however, something may be described as being 'fraff'. When referring to an idea or statement of somebody, the word will adopt a meaning implying untruthfulness, and perhaps indicating the unwillingness of the person on the receiving end to accept the idea as being sensible.

Got the covid-19 vaccine

Fraff is when someone is talking rubbish . Fraff also has a scale which is measured Knots

(noun): The frothy foam which accumulates on a beach adjacent to a polluted or dirty body of water.