The origin of the word 'squirm' is unknown. When someone squirms, he is said to be twisting in a snake-like motion. For example: she was squirming with pain. It indicates that she was in agony. The verb squirm also means 'to feel humiliation or embarrassment'. For example: he squirmed at the probing questions that were being asked. It implies that he was at discomfort because of embarrassment.
The act of wriggling or squirming is called squirm. Even a twisting movement is termed squirm.
The act of wriggling or squirming is called squirm. Even a twisting movement is termed squirm.