jab

jab    [jab]

verb. to poke or punch abruptly, physically or verbally 

"Butler coach makes witty jab in response to Obama's prediction that Texas would knock off Bulldogs in the first round, 'that's going to be the last time I vote for him.'  Yes, we know, Obama can no longer run for president."
"He jabbed his annoying brother on purpose when he's talking with his mouth full at dinner."
"Offseason smack talk:  Eagles jab Giants on Twitter."

http://www.vocabulary.com/dictionary/jab