In the context of non-Astronaut Earth-dwellers, this is a quality which refers to someone who is grounded without being in trouble. They have no choice but to consume and trust the information received from their senses. They attempt to understand what you're attempting to communicate and attempt to assure you that they are able to & capable of attempting to make sense of it. In contrast, those who hail from planetary bodies other than Earth, yet exhibit the same qualities, are often regarded as "alien".
That girl was out of this world! Good sense of humor; pretty smile. So down to Earth..
A bath consisting of a variety of slats, oils, soaps or any other added ingredients such as fruits, milks, herbs or any other spices for health or beautifying benifits.
She brought home alot of stuff and took it to the bathroom. She must be taking a witch bath.
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.