Popular in the '60s and '70s, what does the slang term "groovy" mean?
General
Here are some different quizzes
Did you know...
It took Erno Rubik, the creator of the Rubik's Cube, almost a month to solve his own puzzle. In contrast, the current world record for solving the standard three by three cube is set at an astonishingly fast 4.22 seconds.
