sharp
n.— «Knowing whether a line move is due to sharp or public action is important. A sharp is a term used to describe those who make a living off of sports betting. They wager large sums of money at numerous books, in hopes of gaining an edge. By no means are these folks always right, but their decisions are always well informed.» —“Where the smart money goes” by Sean Murphy Covers Experts Mar. 20, 2007. (source: Double-Tongued Dictionary)
Further reading
Jim in Columbia, South Carolina, has noticed sportscasters’ use of the phrase on the season with reference to a period of time. This construction shows up in the sports pages as early as the 1880s, first referring to a team’s revenue and...
Astronauts returning from space say they experience what’s called the overview effect, a new understanding of the fragility of our planet and our need to reflect on what humans all share as a species. A book about the end of the universe...