The act of holding a lollipop near ones crotch area, and inviting another to grab, or suck, on the lollipop, and at the last second, replacing the lollipop with ones penis.
A lollycock is a lollipop that is flavored like every dick you've ever wanted. These pops taste like dick, and are an acceptable way to learn how to give head.
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.