a variation on the traditional meathead, a meatsock is as it sounds. It is literally (for all intents and purposes) a sock full of meat. This can be made worse if the sock is smelly or dirty.

The act of having both your socks and your head full of meat.

I really slutty loose girl, that often has sex with men. Putting your weiner inside would be like putting it into a sock made out of meat

a grey, old and linty sock full of bloody ground beef used for chewing or slapping.

An old, crusty, holey, gray sock filled with raw ground beef. Can be used to show superiority after a Halo match, ruin someone's day, or just be funny.

Something that is a meat in a sock.