Gene Simmons and Paul Stanley became embroiled in an online feud with actor Eric Stonestreet after the Modern Family star accused the rockers of "bullying" his mother during a flight.

Stonestreet picked a digital fight with the Kiss musicians via after finding out his mother was allegedly involved in a confrontation with the pair on a plane this week (beg26May14).

The actor posted a message online slating the rockers, writing, "Turns out both Gene Simmons AND Paul Stanley were on my mom's flight to Kansas City. Gene tried to bully my mom out of her seat and when she said no, he said, 'It's ok, I just bought the plane' and then asked her for Her autograph. - d**k move... The Paul (sic) called her 'Aunt Bee' - d**k move.

"I can't wait to run into you two old a** make-up wearing f**ks and tell you in person; you should have been nicer to my mom."

The message prompted a stern response from Simmons, who took to his own page to brand the story false and "pretty sad", adding, "Someone posted a story which is blatantly untrue. The essence of it was that we were mean to somebody's mother. It's simply untrue."

Stanley also waded into the argument, and ended the feud by branding the incident a "misunderstanding" and offering an apology to Stonestreet, writing, "I actually waited so your mom could get off (the plane) first. The rest - a misunderstanding of joking (sic). I apologise anyway. Good son."

Stonestreet replied to Stanley, "Thank u (sic) for that. She did tell me you let her go first. I will tape my glow in the dark Kiss posters back together now."

Six hours later, he acknowledged his mother's story was false, writing to Simmons, "Take care. I assure u (you), I will have a stern talk with my mom about making up stories. Old people, ya (sic) know? Our apologies."