What is Creep ?
Creep is (verb) 1. to move around quietly They crept softly down the stairs. to creep up on someone to come up close behind someone without making any noise The idea is to creep up on the gang as they are loading the stolen goods into the lorry. 2. to go along slowly The traffic was creeping along the motorway because of the fog.(noun) 1. an unpleasant person who does things in secret 2. to give someone the creeps to make someone shiver with disgust I don’t like that bank manager – he gives me the creeps. (NOTE: creeping – crept)
source: Easier English, Student Dictionary Upper Intermediate Level