To publicly make a fool of yourself when trying to make another look foolish. For instance, to accidentally dox yourself when trying to dox another.
Did you see that guy give out an eclipse photo file to prove there is no earthshine during a total eclipse, only to have the other people find earthshine in that photo, talk about pulling "a Riley."
A real gym junkie. Enjoys gay porn thoroughly. Really likes the way he is PROGRESSing. All men should hit him up. He supports flip-out and all trampoline companies. Thinks he is good.
Boy: Woah i heard about that Riley Ginger Geezer
Other Boy: Yeah i heard he licked a mans balls
Boy: Woah that hot!
Other boy: He a Riley Ginger
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.