Kokot is what we Slovaks call an "extremely intelligent person", usually a man.
If you see someone whose brain is working on 150%, you can say "Wow you are such a kokot! Great job!". Slovak example is "Ty vyjebaný tupý kokot". That means "You tremendously smart extremely intelligent man!". Somone less intelligent but still smart can be called "kokotko".
Someone who takes credit for something artistic or creative that they didn't do because they are a sad and hopeless person in school *cough cough* LIFE *cough cough*
Person 1: Look at that asshole, he's such an art kapotnik.
Person 2: My sister?
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.