pencil push-up
n.— «One method requires a patient to practice converging on a near target or object —turning his or her eyes inward—at home using a procedure called pencil push-ups (so named because the classic object to focus on was the point of a pencil).» —“Treatment available for eyes that don’t function as a team” Waterloo Cedar-Falls Courier (Iowa) Oct. 4, 2006. (source: Double-Tongued Dictionary)
Further reading
Debbie from Keokuk, Iowa, shares a funny story about her family’s tradition of speed-cleaning the house if guests were coming over. Her mother would declare, “Quick, guys! Whited sepulchre approach!” Her use of the term whited...
One secret to writing well is … there is no secret! There’s no substitute for simply sitting down day after day to practice the craft and learn from your mistakes. Plus, childhood mixups around word definitions can lead to some funny stories...