The ? meaning is Mechanical Arm. This emoji may also have meaning robot arm or metal arm. The upper arm, forearm and hand are displayed. In addition, on most platforms also an outstretched thumb can be seen. But when and how do you use ? emoji in WhatsApp and other news platforms? The emoji can be used very well at the end of a sentence. For example, you could say, “I can because I’m very strong ?” You can also say, “I’m a machine ?” This emoji was approved as part of Unicode 12.0 in 2019 and added to Emoji 12.0 in 2019.
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