a person who constantly exhibits abnormal behavior resulting in you getting an uncomfortable feeling; mainly involves staring at you for long intervals of time or constantly putting their arms around you in some way, either over your shoulder or around you like a hug
A slang cricket term describing a ball that is bowled to run close to the ground rather than bounce in front of the batsman. Similar (but less offensive) terms are worm burner or grubber.
One who a) preforms awkward movements, b) looks like a pedifile, c) says unnapropriate things during a conversation, d) is just plainscary and someone you want to stay away from.
Jessie: I think you'd look really hot in nothing Sam...i know I'd like to see you naked.
Sam: AWWWW!!!! Creeper!!!! Help!!!