basically, "choppin' it up" means just shooting the breeze with friends, i.e. conversing and just talking about whatever comes to mind. Chopping it up can refer to analyzing a situation, such as breaking it down and explaining it.
Choppin' it up is usually experienced best while having a coldbeer in hand. You can chop it up anywhere, in the car, on a plane, in the restroom, or even via text messaging.
"I called my boy and we chopped it up for awhile about last night"
"We didn't have a lot of work to do today, so we just sat around choppin' it up"
person 1: "So, what do you think about leaving Thursday night instead of Friday morning?"
person 2: "It's definitely on the table, but we might have to chop it up first."
When two people are beginning to flirt and crush on each other. They enter the 'talking' phase, which is when they're getting to know each other. The talking phase is similar to choppin it up. Basically it's the beginning of a possible relationship, or just two people who like each other and are becoming closer.
Lynn: Omg, the guy I met yesterday keeps flirting with me. You know Rafael? Yeah he wants to hang out.
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.