toilet paper filled with shaving cream, neatly folded into a square, and used to dupe or trick or fool somebody while they are sleeping, or unaware of a dupe attack, so be watching around all corners or keeping a close eye while your sleeping or u will get the dupe treatment.
dude!!..... you just duped squared me.
stop actin crazy with that dupe square or your gonna hurt someone.
i got hit with a dupe square yesterday so throw it at tom this time.