Gold Coast coach Damien Hardwick has been put on notice and the Suns face a potentially costly AFL tribunal case in the fallout from their latest loss.
Friday night's away loss to Geelong is the third straight defeat for the slumping Suns.
Hardwick was fuming post-match and took aim at the umpires, claiming they were influenced by the crowd and the "Roman Colosseum" atmosphere at GMHBA Stadium.
That prompted a pointed phone call to Hardwick from AFL football operations boss Greg Swann. While Hardwick avoided a fine or a "please explain", it is understood he accepted Swann's point.
"It was like the Roman Colosseum," Hardwick said post-match when asked about his frustrations.
"I reckon they (the umpires) were waiting for the crowd to do this one (thumb down) then, all of a sudden, free kick.