In what was probably the most embarrassing defeat for Conor McGregor during his UFC career, the Irishman has found no end to the excuses he's willing to come up with to explain the devastating loss. 

This time, McGregor has yet again reverted to an old favourite excuse of his, that he had a 'hangover' during the fight and that is why he lost.

In case you've forgotten what exactly went down, McGregor submitted in the fourth round to fierce rival Khabib Nurmagomedov, in the main event showdown of UFC 229 back in October 2018.

After a very intense build-up to the fight, involving personal attacks and even a bit of criminal damage, the Irishman's loss must've been a hard one for him to stomach.

Since successfully defending his lightweight title against Dustin Poirier last September, the Russian is currently scheduled to face off against Justin Gaethje on October 24 this year, virus permitting.

The return of Khabib to the Octagon has been long awaited, and the fight with Gaethje is gaining a lot of momentum. UFC commentator Joe Rogan took to Instagram to hype up the fight, calling Gaethje as Khabib's "most dangerous challenger" to date. Sorry Conor. 

McGregor, clearly miffed by Rogan's remarks, commented: "Chill bro I had a hangover."

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On a previous occasion, McGregor explained: "I was drinking all the way through fight week last time (for Nurmagomedov).

"I just had this venom in me or something. I don't know why."

Since the loss to Nurmagomedov, McGregor has engaged in a single fight, against Donald 'Cowboy' Cerrone back in January, defeating the 37-year-old in less than a minute.

Despite McGregor announcing his 'retirement' last month, it's somewhat difficult to imagine that we'll never see the 'Notorious' in the Octagon again, so only time will tell whether he'll get another shot at beating the Russian.

Sorry Conor, we're not buying the hangover excuse. Nice try though.