The lead singer of the band Aerosmith. A respectable man from 1970 until 2011, when he became a judge on American Idol, thus spitting in the face of more than half of his fans just so he can bash people who can't sing as well as he can, mainly because they're not as old and/or experienced as he is.
StevenTyler is a great singer who's slowly ripping apart his reputation by telling other singers they aren't as good as him on national TV.
To have an insanely huge mouth, such as Steve Tyler, the lead singer of Aerosmith. Could also be called Steve Tyler Mouth Syndrome, for the unfortunate people who have to be as fugly as Steve Tyler.
Guy 1: Dude, when I was a kid, I went to an Aerosmith concert, and when Steve Tyler opened his mouth, you could see his effin' stomach, I swear to God.
Guy 2: Don't be insultin' Steve, man, you're just trying to take away from everyone's attention that you have Steve Tyler Mouth yourself, dickweed.