1. when a friend leaves the party earlier than anticipated, unannounced like a shadow in the night, due to overconsumption of spirits, or in the pursuit of booty (usually your sister).
"hey wheres Jeff?... i dunno man have you seen my sister?... awwww manwtf!? Sketch bailer!"
When something is so sketchy it is super sketch, forcing you to bail immediantly or face serious injuries. The nar is derived from nar nar which mean something really serious which was added to implement the serverity.
Dude #1- Dude, did you see the surfing competition yesterday?
Cameron Larson- Ya bra, the waves out there were super sketch bail nar!
a. A person that is so involved in drugs, alcohol, sex, and general debauchery above what is conceiveably possible.
b. A shady character.
c. Someone that appears to have no moral judgment, self-respect, or general hygiene to the point where he/she is a total laughingstock that must be avoided.
Holy crap man, he lives in Roxbury, obviously hes a sketchball.
She dumped him and went out with two other guys on the same day? Holy sketchball, batman!
a.) The noun form of sketchy.
b.) Someone who participates in activities that you wouldn't want the majority of people to know about because people will think you're creepy, and avoid you.
Normal behavior of a sketchball include:
Hitting on girls outside of preppy suburban bars.
Sitting by themselves at night on their sidekick/blackberry
"Accidently" sleeping with people
Lurking people like crazy on facebook/myspace/AIM.
Man, Wesley is such a sketchball, he was lurking that girlsmyspace at the show, while SHE was at the show, somehow he ended up "accidently" sleeping with her, after he hit on her friend last night.
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.