poke (one) in (some body part)
To jab, push, or prod one in a part of the body (with something). I poked him in the ribs to get his attention. My son poked me in the eye by accident and ended up scratching my cornea.
poke someone in something
to strike or jab someone in some body part. Billy poked Bobby in the tummy and made him cry. She poked herself in the eye accidentally.