Possible Clues:

• Put an end to
• It halts what it's put on
• Put a stop to hoax? Endless nonsense
• It stops things when put on
• Finish off front of Harley and thereupon mostly cycle around
• Squelch, slangily
• It's a bit of a put-on job if you want it to end by weekend as poor Bishop lacks power
• Stopper, with "the"
• Block (something from happening)
• Put an end to Kelvin going to Italy with a load of rubbish