To embed nails into (a tree) so that any attempt to cut it down will damage equipment or injure people.
To prevent or frustrate.
To increase sharply.
To covertly put alcohol or another intoxicating substance into a drink.
To add a small amount of one substance to another.
(volleyball) To attack from, usually, above the height of the net with the intent to send the ball straight to the floor of the opponent or off the hands of the opposing block.
(military) To render (a gun) unusable by driving a metal spike into its touch hole.
(journalism) To decide not to publish or make public.
(football slang) To slam the football to the ground, usually in celebration of scoring a touchdown, or to stop expiring time on the game clock after snapping the ball as to save time for the losing team to attempt to score the tying or winning points.