what does the phrase 'talk to the hand' mean?
447864
"talk to the hand" means "I'm not listening"
371243
The index finger thumb and little finger means I love you in American Sign Language.\nThe index finger and little finger - rock on , dude.
787366
*raises her hand*\n\nMe!\n\n---------\n\nOh well,.. it means things you are saying may take a turn for the grim, sick, twisted,.. undead,...   Not the kind of things that are like Sunshine, Lolipops, and Puppies,...  But maybe your laughing at someone getting hurt or your jokes contain such out come.\n\nIt may seem funny to you but not some thing other people notice,.. because they are busy being as much like the Average Joe as posible.
219000
Mention it, as in passing conversation, or teach it?
494556
The voice is the instrument of communication.
547479
Point with an open hand.  And if your talk is agreeable, someone might take that hand and agree with you.
880371
To me it represents confidence and authority. I hate a weak handshake, in a man or a woman. I don't trust people with wimpy handshakes. They seem sneaky and distrustful.
15190
It is a courteous way of saying "hello" when you meet someone. Usually it is said to someone elder or close to you as a mark of respect when you meet them. More formally it is said with your hands folded and near your chin. You will find this custom in most parts of India.
424161
Politely it means "It is none of your business"\n\nDirectly translated\n- It concernes you wet dirt (shit) - \n\nI think whoever it is is trying to tell you to mind your own business. lol
452435
It's coup d'etat and it literally means to "overthrow the state" - like a revolution.\n\nSo if people use it in conversation - it could mean that you've really accomplished something really difficult, against obstacles.
275926
do it in sign language. if i don't make a mistake, you must : put your right hand on your chest(means "I"), pretend give a hug (means like), and then points her
1016539
You could approach it from the view point of how people misinterpret body language.  Once you give the examples of body language you can then explain how someone could interpret folded arms as someone who is supposedly protecting themselves or is being unapproachable. When maybe their arms are folded because of something totally different. Or how a look with the eyes could mean one thing to me and something different  to you.\nThen the presentation can end with how, ad least i always heard that, 90% of communication is body language, a language that can be easily misinterpreted.
262671
I think nowadays it's just good manners to do so.\n\nDragging up from the deepest corners of my memory, I have a feeling that the origin of the handshake was that it showed your enemy you were unarmed....most people being right handed....\n\nI much prefer a person with a firm handshake than one whose handshake can be likened to a limp fish....not nice at all.
745003
TO TELL THE OTHER PERSON TO CONTINUE HIS TALKS.
596062
it means he wants you to call him
1120698
To communicate in a more clear and concise manner. With your hands (and not using American Sign Language which is a very recent creation in terms of language and communication), indicate something that is over 3 mountain ranges away and a left at the oak tree. Saying it is much clearer than hand signals.
451137
It means that everyone is required to work together on something, usually with a sense of urgency.\n\nIt derives from a nautical expression when the shout would go out throught a boat for "all hands on deck" meaning everyone was needed on the deck to tend the rigging, masts etc in situations of bad weather and the like.