knock on
verb1
Ball games, Games, Hobbies, Lifestyle, Rugby, Sports Ambitransitive To commit a foul by knocking the ball forward.
- It then took a desperate piece of defending from Ben Foden to deny Scotland a try in the left-hand corner, the full-back reaching out an arm to knock the ball from Simon Danielli's grasp, Nick de Luca knocking on with the line at his mercy.2011 October 1, Tom Fordyce, “Rugby World Cup 2011: England 16-12 Scotland”, in BBC Sport:
2
Slang To have an affair; to commit adultery.
- He's knocking on with her.
- Those two knocked on together.