To make difficult to accomplish; to act as an obstacle; to frustrate.
To delay or impede; to keep back, to prevent.
The buttocks.
Of or belonging to that part or end which is in the rear or hind, or which follows.
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