Sean O’Malley has taken aim at Conor McGregor.

The UFC bantamweight champion hit back at the Irishman after the former two-division champ quote-tweeted a post about O’Malley’s prior drug test failures for ostarine with a laughing crying emoji.

McGregor has since deleted the post but not before O’Malley fired back at him.

Miss the old Conor 🙁 you fell off bud. Still a fan tho. I actually don’t care you are 1-4 in your last 5 I’m stills excited to watch. Hope the toe is feeling better. https://t.co/ENSkQw1RmB

— Sean O’Malley (@SugaSeanMMA) July 23, 2024

He wrote on x formerly Twitter: ‘Conor isn’t in anyone GOAT talk. Entertainment yes but skills, no. Has a really good left hand. Shit Cardio. Weak Jits. Decently athletic. Mentally weak. Drug addict, needs rehab. 1-4 last 5 fights. Still fan tho. Hope toe heals up.’

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Conor isn’t in anyone GOAT talk. Entertainment yes but skills, no. Has a really good left hand. Shit Cardio. Weak Jits. Decently athletic. Mentally weak. Drug addict, needs rehab. 1-4 last 5 fights. Still fan tho. Hope toe heals up

— Sean O’Malley (@SugaSeanMMA) July 23, 2024

Sean O'Malley says recent studies have come out with evidence that Ostarine can be transferred through sweat, which explains why he tested positive for the banned substance numerous times.

He says he was training with people that were taking Ostarine and there was likely… pic.twitter.com/Ho53xv0cAK

— Championship Rounds (@ChampRDS) July 22, 2024

No I think he’s a bitch tho

— Sean O’Malley (@SugaSeanMMA) July 23, 2024

McGregor was due to return to the Octagon last month against Michael Chandler but pulled out due to a broken toe injury.