It doesn't have one specific meaning, but you can infer that he likes you a lot. If he did this on a first date, you can probably also infer that he has no respect for you. This would be something done well after you have gotten to know someone.
It means either he likes you, or he is a total pedophile.
As a guy, I would say it means they can't get enough of you.
Its a massive sign of affection in a small gesture; he's trying to get close without coming out and saying it.
:-p
It means that that guy is gay and he seems intrested in you
If a guy holds your elbow it means he is protective over you and is caring towards you. This could mean he likes you.
Probably
It means that he must go ahead.
That he wishes to perform oral sex on you.
it means she is going to kill u
he likes you.
The abdominal rectus muscles are primarily involved in this function.
If that happens it means they are in love.
It means that the guy holds a very high opinion of himself (thinks he is better than everyone else).
That shes not dooooooin him enough
Uh...he still likes you