Definition (touch)
To nudge someone in the ribs with your elbow, often to share a private joke or get their attention.
During the meeting, John saw the boss fall asleep and dug Tom in the ribs, sharing a knowing glance.
She dug her friend in the ribs when the performer made a slip-up on stage, and they giggled secretly.
Feeling that the joke had gone a bit too far, he dug his colleague in the ribs as a form of protest.