The Carlton fan booted from Marvel Stadium after calling an umpire a "bald-headed flog" has engaged a lawyer as he seeks an apology from the AFL.

The supporter, known only as 'Frankie', has angrily denied claims he had run, screaming and waving his arms, two bays away and "spooked" umpire.

He wants the AFL to correct those claims on the public record and to issue an apology, his lawyer Holding Redlich partner Kyle Siebel confirmed.

The law firm made the claims in a letter emailed to the AFL on Wednesday morning, and included an apology for the "bald-headed flog" slur.

Frankie has also offered a face-to-face apology, "if they'll be comfortable with that", Mr Siebel said.