When you're doing seggsy time with a girl and are about to bust, so you call upon the tailed beast that your farther trapped inside of you when you were a baby, and bust the biggest chakra-infused load, practically flooding the room your in.
friend 1: "yo where were you the past few days?"
friend 2: "oh ye, well, I was stuck at home cleaning, me and Bella where going mad a few nights ago and I felt like getting Kurama in on some of the action and he ended up flooding the our bedroom with a Tailed Beast Bomb when he finished, haha"
friend 1: "WHAT IN THE MOTHERLY FU-"
As in 'Here is my new kindergarten class, all bright eyed and bushy tailed.' The allusion here is to the appearance of a squirrel, which with its beady eyes and bushy tail looks ready for anything. 1930s
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.