The effect produced when a car bumps its sound system loud enough to shake the whole car, and rattle the trunk. Most common in shitty Hondas and Toyotas, driven by douchebags that try to be gangsta or cool.
1. "Man will you look at that tool, driving around with his rattleback going"
2. "Dude check out this sick soundsystem I got! it totally gives me rattleback"
1. Another way to say "idiotic". (If stupid peoples' skulls were coffee cans, you would be able to hear new thoughts rattling around in the empty space where their brains should be.)
Guy #1: WTF? I just asked the bartender for a shot of Jack and he gave me vodka rocks.
Guy #2: Dude is permanently rattleballs. We should ask for a pitcher of gin and see what he does.
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.