skepsis
(skep'-sis) n. philosophic doubt as to the objective reality of phenomena; (broadly) a skeptical outlook or attitude. from Greek skepsis "examination, doubt, skeptical philosophy."
1) Large, anorexic, prehistoric-looking birds which try to prevent the Gelflings from replacing the crystalshard in the "Dark Crystal." Written and directed by Jim Henson in 1982.
2) a friend/foe which you currently do not like very much.
3) when combined with "-smurfer," one creates a euphemism for "mother-fucker."
1) " 'You know what I think? Skeksis scatter them all over place so right one don't get found.' "--From "Dark Crystal"