To create a disadvantage for an opponent in a competition.

When a 2 by 4 is placed between a moronic douche bags ankles, and then a sledgehammer (in your case one wrapped in barbwire) is used to hit, and crush the bond between your foot and ankle so that you can never walk again and are caused extreme agony. For a better depiction see the movie Misery with Kathy Bates.

To walk (slowly) with a limp, gimp, or other physical problem.

1) to take a baseball bat to someboyd's knees

A group of elderly people.

to act skanky in an efficient manner. Lyrics from Bobblehead, by D4L

The act of tying someone to a bed and putting a block of wood in between their ankles, then hitting their foot with a sledgehammer to break their ankles making sure they can't escape