John Mayer has long been known for saying outrageous things about the ladies in his life in interviews. But the man who coined the term "sexual napalm" when talking about ex Jessica Simpson to Playboy magazine, is now complaining that he was seriously upset by something one of his other flings said about him.

Actually, sang. Mayer told Rolling Stone magazine that he was "really humiliated" when he heard Taylor Swift's thinly-veiled dis track "Dear John," which was allegedly written about him. "It made me feel terrible," Mayer said in the upcoming issue of the magazine. "Because I didn't deserve it. I'm pretty good at taking accountability now, and I never did anything to deserve that. It was a really lousy thing for her to do."

Swift wrote the song for her 2010 smash Speak Now and as soon as the record dropped, [article id="1650325"]speculation immediately began swirling[/article]
 about the subject of the tune from the country pop star known for putting references to ex-boyfriends in her music. "Dear John, I see it all, now it was wrong / Don't you think 19 is too young to be played by your dark twisted games, when I loved you so?" she sang on the song. "Dear John/ I see it all now that you're gone," she continued. "Don't you think I was too young/ To be messed with/ The girl in the dress/ Cried the whole way home/ I shouldn't known."

After brief relationships with Joe Jonas and Taylor Lautner, Swift was linked to Mayer in late 2009, though they reportedly split five months before the October 2010 release of Speak Now. Mayer wasn't the only subject Swift tackled on the album, with some fans speculating that "Innocent" was about stage-crasher Kanye West and "Back To December" about Lautner.

[article id="1625724"]A teenage Swift collaborated with the 30-something Mayer[/article]
 on a tune titled [article id="1625724"]"Half of My Heart,"[/article]
 which appeared on his 2009 album, Battle Studies, and the two had been rumored to have dated for a short period after they worked on the track.

Mayer told Rolling Stone he learned about Swift's heartbreak only after hearing her song. "I never got an e-mail. I never got a phone call," he said. "I was really caught off-guard, and it really humiliated me at a time when I'd already been dressed down. I mean, how would you feel if, at the lowest you've ever been, someone kicked you even lower?"

While he said he would not even touch the "too young" line, the accomplished blues pop singer said he did have some quibbles with the tune as a musician. "I will say as a songwriter that I think it's kind of cheap songwriting," he said. "I know she's the biggest thing in the world, and I'm not trying to sink anybody's ship, but I think it's abusing your talent to rub your hands together and go, 'Wait till he gets a load of this!' That's bulls---."