boyfriend from friday night funkin' says this when lemon demon tells him he will separate him from his eyes, turn his girlfriend inside out and burn her finger nails
lemon demon: separate you from your eyes, turn your girlfriend inside out and burn her finger nails la la la la
bf: beep bap boop boop be bo ep bo bep bap ep op eep bap bop bep bap boop beep boop beep bap
Once a conversation has come to an awkward silence, a person can make light of it by saying "boop boopbee doop" in a small tune. The conversation will start again, and further awkwardness is avoided.
Joe: Wana go to the movies tonight?
Jen: No, I'm going with my boyfriend.
Joe: ...
Jen: ...boop boopbee doop.
Joe: Okay then, wana go play checkers?
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.