To sway, move up and down.
To signify by a nod.
To incline the head up and down, as to indicate agreement.
To allude to something.
To make a mistake by being temporarily inattentive or tired
To briefly incline the head downwards as a cursory greeting.
To fall asleep while under the influence of opiates.
To gradually fall asleep.
To head; to strike the ball with one's head.
A nomination.
An instance of inclining the head up and down, as to indicate agreement, or as a cursory greeting.
Approval.
A reference or allusion to something.
Engage in rough-and-tumble activity
An environment of rough activity
Rough activity; fighting or brawling; a fight.
A person who characteristically engages in such activity
active, vigorous and rough, with the possibility of harm
highly competitive