Top definition
Someone who is completely obsessed with cardboard and uses it as much as humanly possible, even going to the lengths of stealing cardboard just to get more of it.
"Did you hear what Jennie did?"
"No, what did she do?"
"I heard she stole cardboard from her neighbor, what a Cardboard Slut."
"No, what did she do?"
"I heard she stole cardboard from her neighbor, what a Cardboard Slut."
by Leonardo da Bakugou May 17, 2020