Piers Morgan trolled Rio Ferdinand after Manchester United conceded four goals against Crystal Palace.
Erik ten Hag's men suffered their heaviest defeat of the season at Selhurst Park to dent their European hopes.
Michael Olise scored a brace, with Jean-Philippe Mateta and Tyrick Mitchell also getting on the scoresheet to condemn United to their 13th Premier League defeat of the season.
And Arsenal fan Morgan was in the mood to laugh at United's expense in a social media exchange with former defender Ferdinand.
After Olise scored his second of the night to put Crystal Palace four goals up, he wrote on X: 'Hi mate, @rioferdy5 - you OK? #Tears4Rio'.
Piers Morgan trolled Rio Ferdinand after Man United conceded four goals at Crystal Palace
Ferdinand hilairloy called it a night after Michael Olise scored the Eagles' fourth goal
The defeat at Selhurst park was Manchester United's heaviest in disappointing season
Ferdinand replied minutes later: 'Hey #moobs I’m behind the sofa ffs. Make sure ya tuck them moobs in ya long johns while jumping around and gloating over our embarrassing performance tho'.
Morgan was quick to hit back, saying: 'I’d focus on the massive tits playing for your team mate..'
Moments earlier, Ferdinand displayed his anger as he called it a night. He posted: 'Going bed… night all.'
Olise opened the scoring against Erik ten Hag's men after a superb solo run before finishing past Andre Onana in the 12th minute.
Crystal Palace doubled their lead five minutes before the break thanks to a thumping striker by Jean-Philippe Mateta before Tyrick Mitchell made it three.
Olise got his second of the night with another stunning strike to seal a memorable win for Oliver Glasner's side.
The defeat in south London has ensured United remain eighth in the table,two points behind a European spot.
The Red Devils will seek to return to winning ways when leaders Arsenal visit Old Trafford on Sunday.