Jeff in Green Bay, Wisconsin, is looking for a specific word for “exhaustion after extreme physical activity, such as running a marathon.” Synonyms for exhausted include knackered and forswunk, from swink, meaning “to toil” or “to work hard.” In...
bonk v. in bicycling, to become exhausted. Also bonk out and bonking, n. Editorial Note: Eric Partridge dates this term to the 1930s in his Dictionary of Slang and Unconventional English (8e, 1984), but no citations are given. Editor Paul Beale...
bonk n. a sound made by a hand-held radio, indicating a transmission cannot be made, characteristic of digital trunk radio systems typically used by fire and police departments. Also bonking. (source: Double-Tongued Dictionary)

