1.a sudden sharp feeling;
pangs of regret
2.a thrusting blow with a knife or other sharp pointed instrument;
one strong stab to the heart killed him
3.informal words for any attempt or effort;
he gave it his best shot
1.use a knife on;
The victim was knifed to death
2.stab or pierce;
he jabbed the piece of meat with his pocket knife
3.poke or thrust abruptly;
he jabbed his finger into her ribs