Brock Lesnar destroys Conor McGregor as a little girlie man, and the war is on

A war of words has erupted between these two fighters

Conor McGregor is quickly becoming the most hated man in sports. And his controversial win over Nate Diaz in their rematch Saturday night probably didn't help any.

RELATED: McGregor beats Diaz in one of the best UFC fights of all time

But even before that happened, WWE star Brock Lesnar got into a war of words with McGregor that was every bit as funny as it was absurd. Two weeks ago, the UFC featherweight champion lashed out at Lesnar for his failed drug test after his UFC 200 victory over Mark Hunt. Lesnar reportedly tested positive for the estrogen blocker Clomiphene.

RELATED: Details on Lesnar's reported failed drug test raises more than a few eyebrows

"Fair play to Brock, he got in a fight, but at the end of the day, he's juiced up to the f*****g eyeballs...so how can I respect that?" McGregor said in a conference call when asked about Lesnar. "For the most part, those WWE guys are p*****s. They're messed up p*****s if you ask me."

A number of WWE fans took offense to McGregor's statements, but rather than back away, he went a step further on Twitter.