Creep

esquisito

(pejorative: frightening or disconcerting person)

rastejo

(movement of something that creeps)

esgueirar

(to move in a stealthy or secret manner)

formigar

(to have a sensation as of insects creeping on the skin)

rastejar

(to move slowly and quietly in a particular direction)

trepar

(to grow across a surface rather than upwards)