A term used instead of pronouncing 'Facebook' properly. Commonly used among the latino community, also with most other foriegners. It is claimed that it rolls off the tounge quicker and thus has turned into a form of slang.
When a female (or male) draws copious amounts of eyebrow pencil over her scraggly natural eyebrows to make them look fuller and 'hot', but in turn it actually looks like a drawing of a tadpole or an earthworm.