Definitions

1. noun

rubbish or nonsense; foolish or annoying talk.

“He dismissed their warnings as just tosh.”

2. verb

to speak nonsense or foolishly, often in order to impress or deceive others.

“He was toshing on about his supposed adventures.”

3. interjection

used to express dismissal or contempt, especially for something considered foolish or annoying.

“Tosh! What a ridiculous idea!”