chugger

noun5

1. •
   (informal, disapproving) An aggressive or invasive street fundraiser, especially a private contractor working on behalf of a charity.

   • Seen by many as the scourge of shoppers, chuggers can be uncompromising in their pursuit of a slice of strangers' disposable income, yet provide a rich source of funds for charities. — 2003
2. •
   One who chugs a drink, especially an alcoholic drink.
3. •
   A vehicle, train or boat with an engine that makes a chugging noise when running.
4. •
   (informal) A heavy-duty locomotive whether electric, diesel, hybrid or steam-powered
5. •
   A type of fish lure or fly that makes a popping or chugging sound when twitched.