Definition of Jab

Noun

• the act of touching someone suddenly with your finger or elbow
  "she gave me a sharp dig in the ribs"
  dig
• a quick short straight punch
  
• a sharp hand gesture (resembling a blow)
  "he warned me with a jab with his finger"
  "he made a thrusting motion with his fist"
  jabbing poke poking thrust thrusting

Verb

• stab or pierce
  "he jabbed the piece of meat with his pocket knife"
  stab
• strike or punch with quick and short blows
  
• poke or thrust abruptly
  "he jabbed his finger into her ribs"
  prod stab poke dig

• Scrabble® score of the jab (12)
• Word Chums® score of the jab (15)
• Words With Friends® score of the jab (15)