CHUGGER

Etymology 1

Noun

chugger (plural chuggers)

(informal, derogatory) A street fundraiser, especially a private contractor, working on behalf of a charity, who is aggressive or invasive.

Etymology 2

Noun

chugger (plural chuggers)

One who chugs a drink, especially an alcoholic drink.

(angling) A type of fish lure or fly that makes a popping or chugging sound when twitched.

A vehicle or boat with an engine that makes a chugging noise when running.

Source: Wiktionary