Verb
creep on (third-person singular simple present creeps on, present participle creeping on, simple past and past participle creeped on)
(slang) To monitor in a covert and creepy manner; to stalk.
creep on your ex's Facebook
No one in this earthly prison of the body has sufficient strength of his own to press forward with a due degree of watchfulness, and the great majority [of Christians] are kept down with such great weakness that they stagger and halt and even creep on the ground, and so make very slight advances. John Calvin
I do not yet know why plants come out of the land or float in streams, or creep on rocks or roll from the sea. I am entranced by the mystery of them and absorbed by their variety and kinds. Everywhere, they are visible yet everywhere occult. Liberty Hyde Bailey
The Baha'i celebrity, or the Belebrity, is a character actor with a big head playing an annoying creep on a TV show. Rainn Wilson