An unhealthy, retarded, gay obsession with facebook leading to couch potatoeism and fat basterdness. A person with this disease stays up most hours of the day on facebook doing absolutely nothing, but insists on calling it "work" or "business".
Josh: Ace wanna hang out?
Ace: nah man, i got business on facebook.
Josh: dude u have facebokliosis.
To walk and "facebook" (update one's status, for example) at the same time. esp. when the walker is facebooking about walking and facebooking at the same time.
Someone or something that bites your ankles.
To a postman, an ankle biter is often known as a dog.
To an adult, an ankle biter may be a toddler.
To hikers, an ankle biter is sometimes a tick.
And so on.