To do an intensive, rigorous investigation or creeping of a particular person or thing (especially via facebook).
She doesn't list her relationship status on facebook. I'mma have to deep creep her when I get home.

Seriously, there's no more sesame bagels left? Did you deep creep in the back to check?
by Nicholasraj November 21, 2010
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doing extensive research (i.e looking at all their pictures and statuses)on a specific person on a social media website like FB or Twitter
I had to deep-creep on Alex's boyfried on FB and looked at all the pictures! He's a douche!
by Lisa Durham July 25, 2011
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creeping on your facebook friends' friends' friends'. That's 3 levels of creeping.
"I just creeped on my girlfriends best friends boyfriend and he is a shitty rapper."

"Wow, that is THE DEEP CREEP!"
by rooster cogburn February 21, 2012
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A person who is deep uses their full mental capacity when problem solving, dealing with others and communication.
A person who is a creep uses some of their intellectual abilities to illegally or unethically problem solve, deal with others and communicate.
deep vs creep
I'm a deep and you're a creep.
by PineappleJuice March 26, 2015
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When you’re excessively going far back into someone’s social media past, and cannot afford to be caught out (e.g- accidentally liking a photo)
Omg I’m 85 weeks back into Jonathan’s Instagram...I’m so deep in the creep right now! I better not like anything!!
by Tilly Jay March 21, 2018
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