Quoted from "Pitch Perfect," it is a pun to state the phrase "Let's Be Honest" in reference to a lesbian or lesbian acts. In this particular case, this is a pun encouraging a girl to "come out of the closet," despite all the girls already knowing about her love for vagina.
Cynthia Rose: I have a confession to make.
Fat Amy: We all know where this is going. Lesbianest.
Cynthia Rose: This is hard for me to admit to you guys, but for the past two years, I have had a serious gambling problem.
Fat Amy: What?
Beca: What?
Cynthia Rose: It all started when I broke up with my girlfriend.
Fat Amy: Whomp, there it is!
Shelly: Hey, girls! *grabs Marie's ass*
Marie:*gasp*
Bella: Lesbionest here Shelly, are you lesbian?
Shelly: Uhh... Yes. And I like both of you.
Bella: Well, its good to be honest but, were straight. Sorry.
Marie: Speak for your self.
Bella... :O
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.