The act of wandering about the residence halls looking for open doors to creep on the unsuspecting residents.
Me:Yo did you see that kid walking around looking in people's rooms?
Guy: Yeah dude he's on a creeper run.
Guy: Yeah dude he's on a creeper run.
by TheCreeper March 14, 2012
it's the excuse one uses when asked about the dark bruise on one's lip - a lip hickie - you can also claim that you have accidentally bit a pen and it's actually ink on your lips
by thecreeper August 07, 2006