Abbreviation for the TV show Avatar: The Last Airbender. Also written ATLA or AtLA. An incorrect and unacceptable way of abbreviating the title would be ATLAB. The B is added by the ignoramuses of the fandom who don't realize that 'Airbender' is ONE WORD.
Writing A:TLA instead of the full title saves a lot of time when texting you're friends to alert them that the show is starting.
A multi-genre Australian band made up of brothers Mitchel and Clinton Cave and longtime friend Christian Anthony. Mitchel and Christian first rose to fame on X Factor as part of What About Tonight in 2012.
A Trans-Atlantic Pipeline is a sex act where multiple men line up in a standing position and stick their penis into the persons ass in front of them, then, proceed to piss and spread the "oil" down the pipeline.