The word you drop when you see a maaaad fly bitty strolling down the street in front of you so everyone is alerted to look at her.
Pronunciation: skee is said in normal voice and then raise your voice to the highest possible level to polish it off with the uuuuuuw. (pronounced: Ski - you)
An unkempt person of questionable intentions, whom appears to have lived a hard, deviant life, as clearly displayed by their gaunt and ravaged features.
Their mere presence usually fosters feelings of an impending threat to bodily safety and/or theft of personal belongings.
Direct eye-contact with such persons is to be avoided at all costs.