1 definition by johnnydiva
The second decade of the 21st Century from 2010 to 2020 in between the Aughts (or The Aughties) & The Twenties. It's a portmanteau of the words tween, teen, and twenties.
Lady Gaga's career launched in the first decade of the new millennium, but will her popularity & influence on music prolong throughout the Tweenties?
by johnnydiva January 21, 2011