1 definition by Aple

Top Definition
Nickname for a boxcutter blade, as used by the 9/11 hijackers to subdue aeroplane passengers and crew before piloting said plane into the World Trade Center. Alegedly
Pass me the 9/11 Knife, I'm making a stencil.
by Aple October 11, 2009

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug