He jabbed his elbow into my side.

他用肘猛戳我的腰部。

《新英汉大辞典》

A traditional method of greeting, especially in the country side, is for the younger person to hold their arms out, palm up, and grasp the older person just in front of the elbow.

蒙古国的年轻人，尤其是在农村地区，有一种传统的问候方式：伸出手臂，手掌向上，抓住年长的人的肘的前部。年长的人也做同样的姿势，唯一不同是手掌向下。

youdao

There's no nod to the left, no telling elbow poke in our side or "psst" in our ear.

他不会向左点头，也不会碰碰手肘告诉我们，也不会在我们耳边“嘘”。

youdao

There were more crunching tackles than chances in a scrappy first 30 minutes, most notably when Manuel Da Costa caught Dempsey with an elbow to the side of the head that went unpunished by referee Andre Marriner.

BBC: Dempsey

Ms Steenkamp was shot in the right side of her head, her right hip and her right elbow, Det Botha said.

BBC: Oscar Pistorius detective challenged at bail hearing

He said Ms. Steenkamp had been hit by a bullet on the right side of her head above her ear, on her right elbow and her right hip while she was inside the bathroom upstairs.

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