Stalker Smile 

Noun.
Used when referring to someone who's smile makes you feel uncomfortable. Usually a full toothed grin with widened eyes and raised eyebrows. You usually find yourself expecting them to say, "Hey kids, get in the van, I have candy for you."

Guy: You know Barney? He totally has a stalker smile.

Guy2: I know, right? I can just picture him on the news for rape charges.

Or

Girl: Mr. (Insert creepy teacher's name here) has such a stalker smile. It creeps me out. I can't stand to be in his classes.
Girl2: Ugh me either. It always feels like he's checking me out.

Stalker Smile by My Dad Has A Stalker Smile February 26, 2010

silent stalker 

fart
a gas that escapes from your pants without a sound. Usually catches people off guard and starts a gagging sensation. Yah

Christ Jim...check your pants, those silent stalkers are making me gag. Yah

silent stalker by Big EE November 4, 2004

silent stalker [fart]

a gas that escapes from your pants without a sound. Usually catches people off guard and starts a gagging sensation.

Christ Jim...check your pants, those silent stalkers are making me gag.

silent stalker [fart] by Big E October 29, 2004

Silent Stalker 

A person who is constantly on Facebook refreshing their newsfeed and looking at everyone's business but can't like, comment or post anything.

Suzie keeps talking about things I have posted on Facebook and yet I haven't seen one like or comment from her. What a silent stalker!

Silent Stalker by NicSoChic October 9, 2014