To have respect for those who control your manners, paycheck, and justplain the way you act.
Such as.... 1) don't shit in the hand that slaps you as in your parents because they slap you with that hand by controlling your existence. 2) don't shit in the hand that slaps you as in your boss or supervisor because they control raises at review time and promotional futures. 3) don't shit in the hand that slaps you if of your wife or girlfriend because, well, we all know what she does with that hand don't we?
Keep MY WIFES NAME OUT OF YOUR F*CKING MOUTH! Followed by a slap to the face, as Chris Rock is unhindered. Will won't keep guys out of her mouth though.
"I'll do nothing while my wife gets clapped, but hell, mention her hair and you'll get slapped.
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.