to administer a mouthful of fist; to punch someone in the face
you want a knuckle sandwich?
by Branid January 3, 2004
Get the knuckle sandwich mug.
To punch someone in the mouth to shut them up.
Tom: you're just jelous of me cuz I slept with your girl and you didn't. And y'know what? she liked it so much that I...
by LesleyDianna February 22, 2012
Get the knuckle sandwich mug.
What the very elderly threaten to give to their great-grandchildren as an alternative to unappetizing food.
Great Grandfather: You don’t like lima beans, huh? Well, perhaps you’d rather have a knuckle sandwich.


Toddler: Wwwwwaaaaaaahhhhhh!
by AbnormalBoy May 12, 2004
Get the knuckle sandwich mug.
A double onehanded slap to the face with an open hand. You administer it in on motion, first forehand and then a backhand. It has to be two slaps, hence the sandwich. If you start with the backhand and follow up with forehand it's called a "reverse knuckle sandwich" or an "upside down knuckle sandwich". The standard knuckle sandwich is served with the right hand, a left handed knuckle sandwich is sometimes called a "lynx knuckle sandwich".

When hitting the face it is always a good idea to use an open fist. The risk for injury and jail time is less, and it is quite effective. Save the closed fist for the torso.
The bitch needed a good slapping so she served up a couple of hot knuckle sandwiches.
by knucklemeister December 14, 2005
Get the knuckle sandwich mug.
it's same as punch..

you punch the person that you want to be punched by your knuckle to te face or stomach.
Joel Madden gave Hilary Duff TWO knuckle sandwich because she's being such a poser!!
by Emma Madden July 5, 2004
Get the knuckle sandwich mug.
1.) To strike someone in the mouth with a fist.

2.) To ejaculate "knuckle children" (semen) onto a sandwich and then feed it to some unknowing individual.
1.) Jimmy was running his fucking mouth so I gave him a knuckle sandwich.

2.) Jimmy was running his fucking mouth so I gave him a knuckle sandwich.

You see either way its about the same. In example number one you have punched him in his mouth and example two you have made him ingest your hot and salty jizz.
by AndyCapp March 25, 2010
Get the Knuckle Sandwich mug.