against air
other.— «He recounted how he’d watch other teams warm up before games, and how those opposing quarterbacks would have problems completing like 70 percent of their passes “against air,” which means in the football vernacular no one defending the receivers.» —“One Last Look At Troy’s, Rayfield’s Big Weekend” by Mickey Spagnola DallasCowboys.com Aug. 6, 2006. (source: Double-Tongued Dictionary)
Further reading
What kind of book do people ask for most often in prison? Romance novels? No. The Bible? No. The most requested books by far are … dictionaries! A number of volunteer organizations gather and distribute used dictionaries to help inmates with...
Twice a day the River Thames recedes, revealing a muddy shoreline. Hobbyists known as mudlarks stroll the surface searching for objects that have found their way into the river over the centuries, everything from ancient Roman jewelry to modern...