Combination of "asshole" and "customer." A customer who is a complete asshole to an employee(s) and/or a customer who messes up a lot of the store's product, especially when they see it's just been fixed and made to look nice.
Employee 1: "Damn customer just messed up all the shirts I just folded"
Employee 2: "Stupid asstomer"
Term used to describe an ass who gloats about being the "master" of some skill or game.
Ralph: Dude, I just owned you in that game of Pokemon! You will never beat me. I am the master!
Mark: I have to hand it to you, Ralph, you are a true asstmer indeed! Now get the hell out of my house before I pound your butt . . . but leave your Chickorita card. She rocks!
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.