gesture(redirected from Bite your thumb)
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an act made or something said to signify intention or attitude.
suicidal gesture a more serious warning than a suicide threat; it may be followed by a planned suicidal act that attracts attention without seriously injuring the subject.
1. Any movement expressive of an idea, opinion, or emotion.
2. An act.
[L. gestus, movement, gesture]
1. A body movement that helps to express or conceal thoughts or emphasize speech. See: body language
2. An act, written or spoken, to indicate a feeling.