An amazing band out of Virginia. All the guys in it are suppa sexy. You have to hear them before you die.
Their suppper popular and popping up on magazines all over the country, at the moment people know them more the miley cyrus and alll time low. BEST PEOPLE IN THE WHOLE WORLD!
The phrase can also be used as a noun, to describe freaking amazingness!
boy:"dude that band was amazing"
girl:"thats a typical another treehouse acquantince"
girl:"thats the best concert i've ever seen"
girl:"thats why they call them, another treehouse acquantince"