The world record for hitting a punching balloon is 3 hours and 1 minute.
Punching.
Gut punching is hitting someone in the stomach really hard. This doubles the person over from the pain as well as taking the breath away momentarily.
The question is... What are you going to be punching? If your punching air, then you're going to want to do about five hours worth of high intensity and consistent punching to lose 3500 calories (which is 1 pound). If your hitting an object (Punching bag), then about two and a half hours of intense punching should net you a 1 pound loss.
It is a slang expression, meaning "call me" or "find me". It has nothing to do with actually hitting/punching a person.
it truly depends what kind of hitting it is. punching him in the face? no. that's just cruel, but if he did something to you, go for it! however, some hitting IS playful and will definitely come across as flirting. take your pick.
An adult - hugely unlikely. They are big animals, and punching underwater is quite inefficient.
Certainly, although usually it isn't the knuckle that breaks, but the bone behind it higher up in your hand.
A punching bag workout uses the muscles in your arms, shoulders and legs. A punching bag workout is not the same as boxing. See the following for information about a punching bag workout: www.livestrong.com/.../534601-what-muscle-does-punching-a-boxin...
eating nasty food, watching nasty gorey stuff uh..... some poisons and chemicals and hitting that punching in the back of ur throat.......... lol
Get away from them. A real best friend would not punch you or call you bad names.
a punching bag : "un sac de frappe" a punching-ball : un punching-ball