by BlackSpectrum69 December 28, 2011
A neologism between the words tripping and creeping. So pretty much a person who secretly knows information about you by creeping on you, and is tripping because they think you don't know.
"Dude that girl who's ex is dating my ex, wants me to go the club with her.", "Oh she treepin' on you then!
by macdrew October 04, 2010
Nathan was treeping on Emma and her friends last night when they were in her bedroom on the second floor.
by Parks.n March 27, 2015