The All-Star attacker was called out on Twitter by U12 hurler Cormac Joe McErlean from the Eoghan Ruadh club in Tyrone to see how many strikes he could get off the wall in a 30-second period.
The Glen Rovers club man then tagged in his team-mates David Dooling and Rob Downey, Douglas' Shane Kingston and former Ballincollig camogie defender Alison Coughlan, now based in London, to follow his lead.
Horgan last year married Ashley Lovett, who is a lethal forward herself with Ballincollig.
As Kingston took up the challenge, he nominated Eoin Cadogan and Seán O'Donoghue from the Cork panel, as well as Blackrock hurler Ciarán Cormack.
Players and coaches in all sports are trying to come up with novel ideas to stay sharp and motivated with the country locked down due to the Coronavirus epidemic.