To attack (a person) on his or her blind side.
To catch off guard; to take by surprise.
The blindside flanker, a position in rugby union, usually number 6.
A person's weak point.
A tram/train driver's field of blindness around a tram (trolley/streetcar) or a train; the side areas behind the tram/train driver.
The space on the side of the pitch with the shorter distance between the breakdown/set piece and the touchline; compare openside.
A driver's field of blindness around an automobile; the side areas behind the driver.
To strike or collide with something.
To have sexual intercourse (with).
To experience sudden and severe fatigue in an endurance sports event due to glycogen depletion.
To hit something with the front of the board, especially in midair.
Any minor collision or blow.
A condition of sudden, severe fatigue in an endurance sports event caused by glycogen depletion.
A bump on the head.
An animal call resembling "bonk", such as the call of the pobblebonk.
An act of sexual intercourse.