When someone knows your name and most of your business, but you have absolutely no idea who they are.
Jimmy- Hey Ciara ready for the math test?
Ciara- Ummmm, do I know you?
Jimmy- Yea we're in math class together.
Ciara- Wow you're totally on Stalker Mode
by Lol Smiley Face hahahahaha September 15, 2011
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when some random person knows your name, but you don't know theirs.
Jimmy- Way to go Ciara!

Ciara- Ummmmm, do I know u?

Jimmy- Yea we're in math class together.

Ciara- Wow, you're on complete stalker mode.
by Tyuekenwlw September 14, 2011
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when a person takes a really serious interest in a male or female
I can't stop thinking about her. She is always on my mind and its like I see her everywhere I go. Its like I'm on that thirst-stalker mode.
by YOUNG TUCK July 16, 2014
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