Tosh from a protester? (3)

I believe the answer is:

rot

I'm a little stuck... Click here to teach me more about this clue!

'tosh' is the definition.
The answer and definition can be both related to communication as well as being singular nouns.
Perhaps there's an association between them I don't understand?

'from a protester?' is the wordplay.
'from' indicates a hidden word.
'ROT' can be found hidden inside 'protester'.

Can you help me to learn more?

(Other definitions for rot that I've seen before include "Decomposition" , "Informal nonsense" , "SECOND PART OF 25" , "Putrefy" , "Rhubarb" .)

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.