creep
     n 1: someone unpleasantly strange or eccentric [syn: {weirdo}, {weirdie},
           {weirdy}, {spook}]
     2: a slow longitudinal movement or deformation
     3: a pen that is fenced so that young animals can enter but
        adults cannot
     4: a slow creeping mode of locomotion (on hands and knees or
        dragging the body); "a crawl was all that the injured man
        could manage"; "the traffic moved at a creep" [syn: {crawl},
         {crawling}, {creeping}]
     v 1: move slowly; in the case of people or animals with the body
          near the ground; "The crocodile was crawling along the
          riverbed" [syn: {crawl}]
     2: to go stealthily or furtively; "..stead of sneaking around
        spying on the neighbor's house" [syn: {sneak}, {mouse}, {steal},
         {pussyfoot}]
     3: grow in such a way as to cover (a building, for example);
        "ivy grew over the walls of the university buildings"
        [syn: {grow over}]
     4: show submission or fear [syn: {fawn}, {crawl}, {cringe}, {cower},
         {grovel}]
     [also: {crept}]
Source: WordNet® 2.0

creep v. To advance, grow, or multiply inexorably. In hackish usage
   this verb has overtones of menace and silliness, evoking the creeping
   horrors of low-budget monster movies.


Source: The Jargon File