The Creeps

To give someone the creeps

• Meaning - To give someone a feeling of uneasiness or mild fright. 
• Example - Walking through the graveyard late at night gave me the creeps.

Synonyms

• creep someone out
• give someone the willies
• spook someone
• unnerve someone

From http://en.wiktionary.org/wiki/give_someone_the_creeps

Creeps

• Meaning - A disease of cattle and sheep attributed to a dietary deficiency; characterized by anaemia and softening of the bones and a slow stiff gait

From http://www.audioenglish.net/dictionary/creeps.htm