To pierce or hold together with a skewer or similar object. She skewered the pieces of chicken and vegetables before placing them on the grill.
To criticize or ridicule sharply and effectively. The comedian skewered the politician's policies during the stand-up routine.
In chess, to attack a more valuable piece so that it must move and reveals a less valuable piece behind it for capture. He skewered the queen with his bishop and captured the rook on the next move.