Noun: A type of knife with which one will get their lips cut off, and tounge cut out with if they make out in a movie theatre.
From the Aqua Teen Hunger Forcer Colon Movie Film For Theatres
"If you make out here,
I will cut your lips and tongue
from your head
with a linoleum knife."
The weapon of choice of the band Mastodon, featured as the band at the beginning of Aqua Teen Hunger Force Colon Movie Film for Theaters.
"If you make out here I will cut your lips and tongue from your head with a ... linoleum knife."