J.R. Smith's and Kris Humphries' Twitter accounts have turned silent on their new feud since Smith started it Monday by responding to a gloating tweet by Humphries with a jab aimed at his wife, Kim Kardashian, who is pursuing a divorce from Humphries while pregnant from her current boyfriend, Kanye West.

A major controversy between New York Knicks star Smith and New Jersey Nets star Humphries began with a fairly standard boasting tweet from Humphries after the Nets beat the Knicks 88-85 at Madison Square Garden Monday night:

"Big game tonight! The Garden got really quiet on the way out! #Brooklyn," he tweeted from his official Twitter account.

But Smith took the occasion down a notch when he tweeted a below-the-belt remark a couple of hours later:

"Wasnt quiet when Kanye tore it down last month! RT@KrisHumphries: Big game tonight! The Garden got really quiet on the way out! #Brooklyn," Smith tweeted from his official Twitter account.

Smith's Twitter jab was retweeted more than 20,000 times within an hour, and the tweet went so viral that the term "JR Smith" trended nationally on Twitter for a time after he sent it out. It had been retweeted more than 55,000 times by 4:30 p.m. Tuesday.

And the flame war hadn't died down by late Tuesday afternoon, a full day after the Nets-Knicks game, as "Kris Humphries jab" topped the "Trending Now" list on Yahoo! News for much of the day.

But despite the massive attention the jab at Humphries has garnered, there is only silence on the topic on his and Smith's own Twitter accounts.

Humphries has not tweeted a single thing since his comment after the Monday game, and Smith has only posted and retweeted unrelated messages. Neither one of them has taken down their controversial tweets, however.

It's unclear whether the NBA will have anything to say about the tweet, which comes just a couple weeks after Knicks superstar Carmelo Anthony was suspended for one game by NBA Commissioner David Stern for confronting Boston Celtics star Kevin Garnett after the Jan. 7 game between the two conference rivals.

The spat between Garnett and Anthony reportedly arose from comments Garnett made to Anthony on the court during the heated contest at Madison Square Garden in New York City (which the Knicks also lost.) Those comments reportedly included a remark by Garnett that Anthony's wife La La tastes like Honey Nut Cheerios, but Celtics Head Coach Doc Rivers later denied that such a conversation ever took place.

Either way, Anthony verbally confronted Garnett in the tunnels of MSG, before following him out to the Celtics bus, where he attempted to confront Garnett again before the altercation was stopped by a number of folks, including Garden security guards and Knicks Head Coach Mike Woodson.

And the Monday tweet wasn't the only time Smith has had negative words for the Nets or their players in recent days. Reporter Fred Kerber of the New York Daily News reported that he seemed to have nothing nice to say about the Nets over the weekend:

"It's definitely a rivalry game," Smith told Kerber, referencing the Nets. "We don't like them, they don't like us."

Kanye West, the rapper behind hits like "Gold Digger" and "Jesus Walks," is currently dating Kim Kardashian, who is attempting to divorce Humphries after a marriage that lasted barely more than two months. 

Kardashian and Humphries' dirty laundry has been aired all over the world as the tabloid press dissect every iteration of their ill-fated relationship, and the world eagerly awaits the birth of West and Kardashian's child, which will be quite some time as West only announced the pregnancy earlier this month.