a culinary knife used by Frank Reynolds (played by Danny DeVito) of cult hit sit-com It's Always Sunny in Philadelphia to scrape foul matter from beneath his toenails, causing other characters to comment on their disgust. The knife is probably riddled with disease. Frank uses the knife for other things such as eating.
by it'sgatsbybitch June 21, 2016
If a fool takes a knife he stabs enemies in the back. A wise man will cut himself free before he wants to stab others in the back!
by I, Wreckerrr July 17, 2021
I had to Tread The Knife last night when I got home to the wife with stripper glitter on my clothes.
by JimmyJimBob May 3, 2017
A knife that is appropriate to carry with business attire in an urban environment. It's functional and classy without being tactical looking (i.e., without unnecessary, menacing, mall ninja-type features).
by Jake McCoy November 18, 2011
This phrase is often used to describe a surgery or sugerical process. Knife standing for “surgery” was first recorded in 1880.
Example:
Example:
Sam: "When do you go under the knife?
Tim: "I have surgery next Wednesday. I have to take an
Ativan before I get there."
Tim: "I have surgery next Wednesday. I have to take an
Ativan before I get there."
by SigmaNutz December 25, 2011
When you take either your left or right hand and extend all fingers, with your thumb extended along the hand, much like a karate chop and you point your "knife hand" at other people and tell them how fucked up they are. Using lots of expletive deleteds are exceptable. You can also throw knife hands, which mean you are point your knife hand furiously at an individual in hopes he or she will retaliate with physical force in which you will ankle pick them and throw knife hands into their throat.
by Muzz7297usmc August 15, 2008
Use of a penis in love making to a woman during her period or by taking her virginity. Blood on the penis. Also known as Penis Knife.
by X_herb July 22, 2011