Definition is best described as a person or persons with a face expression to which they are about to 'Attack' someone or something with a awkward attacky face on them at the same time.
She got grumpy at him for being a goober so she made her attacky face expression at him.
When someone leaves their facebook logged on and unattended and another person uses this acocount to post a wall message.
Rules:
Wall posts cannot be racial, offensive, or derogatory.
Limit of three wall posts per attack.
If the person who owns the facebook account is in the room, then you get an extra three wall posts if you manage to finish writing the first three wall posts before he notices.
Lee leaves his facebook logged on and Cheech gets on and posts a wall message on one of Lee's friends. The message written makes Lee feel embarassed. Lee got facebook attacked!
When someone hacks a facebook account with the purpose of messaging the friends of facebook holder with SPAM and/or massively altering interests and about me page to make holder look like a complete duche.
Friend:Hey Tony, are you sure your favorite movies are High School Musical 3 and Heathers? I think you've been facebook attacked...
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.