A psychological term. When a participant is in an experiment you may not get accurate results because they are aware of the experiment and in turn go out of their way to do everything wrong or go against everything u ask them to.
scientist 1 "this guy is doing everything wrong"
scientist 2 "ah a classic case of the screw you effect"
Said either jokingly or when someone's honestly annoyed with you. Means GO THE HELL AWAY because I HATE YOU. Or, simply, eff you. Similar to WHATEVER or EFF OFF
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.