A) a hotel or other gym with a limited selection might require you to gymprovise in one way or another.
B) you might be such a workout freak that you need to gymprovise to hit that muscle "just right".
You should be careful with option B because it can come across as douchy.
Bill: Man that muscle head is ripped.
Jane: Yeah, he must use gymprovisation to get a body like that.
To Pimprovise is to ball, stunt, or pick up chicks without using lines like "That's just how I do." or "Did it hurt when you fell from heaven?" or any other cliched method.
"Hey man, everytime I use one of my pick up lines, the girl throws a drink in my face, how do you do it?"
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.