chugger

Short definition from Wiktionary

Noun

1. 1
   An aggressive or invasive street fundraiser, especially a private contractor working on behalf of a charity.
2. 2
   One who chugs a drink, especially an alcoholic drink.
3. 3
   A type of fish lure or fly that makes a popping or chugging sound when twitched.
4. 4
   A vehicle, train or boat with an engine that makes a chugging noise when running.
5. 5
   A heavy-duty locomotive whether electric, diesel, hybrid or steam-powered