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Signs done with one's hands used in place of or with words. Can be used in many situations or circumstances.
"Why can't Italians talk like everyone else, without using hand-gestures?!"
by Naitsabes May 25, 2008
A hand gesture is a movement you make with your hand. Rude hand gestures include; sticking your middle finger up or your middle and index finger up. A friendly hand gesture is perhaps sticking your thumb up. Hand gestures cna be used to communicate - such as sign language - or it can be motions made with your hand when talking
Jane was pissed off, she made a rude hand gesture at Peter.

Jane's brother was deaf and so she used various hand gestures to communicate.
by Lily Powell May 18, 2006