One of AEW's top champions has taken a shot at a WWE Hall of Famer's son on social media. The star in question, Dax Harwood, accused Austin Gunn of being a "nepo baby."A week earlier at Full Gear 2025, Dax Harwood and Cash Wheeler challenged Brody King and Bandido for the AEW World Tag Team Championship, after earning a shot at the belts last month on Fright Night Dynamite. Despite fans firmly rooting for Brodido, FTR defeated the babyface duo and captured the titles for the third time in their careers.Earlier this week on Collision: Thanksgiving, The Top Guys celebrated their pay-per-view victory along with their manager, Stokely, but were interrupted by Juice Robinson and Austin Gunn of The Bang Bang Gang.Reminding the tag champs of their recent victories over them, Robinson and Gunn confronted the erstwhile Revival (as Dax and Cash were known in WWE), challenging them to another bout but with the tag team titles on the line. At one point during their face-off on Collision, Austin cut Harwood off in the middle of his promo by knocking his microphone out of his hand.Sharing a clip from the segment, Dax recently took to his Instagram story to lash out at Austin, the son of WWE legend Billy Gunn, dubbing him a "nepo baby" in an incendiary caption."This little nepo baby never having to work a day in his life lucky to be in my business b**** a** boy," Harwood wrote.Dax Harwood's post about Austin Gunn [Image via @daxharwood on Instagram]Both Austin and his brother Colten Gunn began their AEW careers alongside Billy Gunn. The WWE Hall of Famer was eventually betrayed by his sons, however, leading to his alliance with The Acclaimed.Several ex-WWE names were in action on AEW Collision earlier this weekThe November 27 Thanksgiving edition of AEW Collision aired from The Pinnacle in Nashville, Tennessee, this past Thursday. The episode presented six action-packed matches, featuring multiple former WWE Superstars. The outcomes of these bouts have been listed below:Pac defeated "Speedball" Mike Bailey [Gold League Match for the 2025 Continental Classic]Daniel Garcia defeated Matt MenardDalton Castle and The Outrunners defeated MxM TVThekla defeated Tay MeloEddie Kingston defeated Katsuyori ShibataKonosuke Takeshita defeated Roderick Strong [Blue League Match for the 2025 Continental Classic]It remains to be seen what Tony Khan has planned for next week's AEW programming en route to Worlds End 2025.