When the vice president of the US performed a salutary fist pump during the state of the union address it caused a social media storm.
"What a dork!I love him!" one Twitter user posted. A GIF was shared around the internet with the tag line "Joe always knows how to keep things cool."
Gaffe-prone Joe Biden followed up by tweeting a picture of himself bumping fists with the president alongside the tweet "four more years."
Four more years.... of fist pumping?
Looking like a pleased ten year old, some users of the social media site were less than kind, commenting that Biden looked like he didn't know what was going on.
His latest fist bump is to actor Kal Penn in the legendary aviator glasses.
Biden puts on his aviators and fist pumps Kal
Obama's fist bumping deputy entered the 2012 campaign on Tuesday with an attack on Mit Romny and his other GOP rivals.
"Gingrich and Romney and Santorum, they don't let the facts get in the way," he told the Democratic Convention. He is due to deliver a speech at the convention on Thursday.
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