The act of a parent sending one or more text messages to their kid as a "reminder" or "suggestion" of something the kid needs to do (possibly being construed by the kid as "nagging").
Nexting is a technique used to remove someone from your life in a clean, efficient manner that causes minimal to no drama. Tantrum whores, liars, users, schemers, drama queens, faggots and losers are typically the kinds of people who are subjected to nexting.
Dave: Can you believe it, Katie slept at Mikes house last night.
Jason: WTF, she told me she was at Mels all night and doesn't know anyone called Mike.
Dave: Man I am sick of all her lies, it's nexting time.
Jason: Fuck yeh, nexted.
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.