A 6-minute short film by Chris Cunningham, commonly found on websites such as eBaum's World, Wimp, etc. Surprisingly, this film plus a 40-page book sells on Amazon for 10 bucks. This video is creepy and haunting, and about a supposed "teenage mutant" who dances in his wheelchair near the end, with lots of flashing lights. Looks like a rave-type thing. Many strange noises and weird images, so be warned.
A flexible sheath, usually made of thin rubber or latex, designed to cover the penis during sexual intercourse for contraceptive purposes or as a means of preventing sexually transmitted diseases. Rubber johnny is a slang word for that.
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.