When you cum from out of no where, like US Senator Bernie Sanders did.
First referenced on the Daily Show with Trevor Noah.
"Ayo I gave that girl a surging sanders, and she didn't even wake up!"
"Yeah man I came before I even put it in, Dad was so disappointed."
When you come/cum out of nowhere
Ooops! Sorry, it was kind of a surging Sanders.
Noun. One who cums out of nowhere.
Bernie: I had a hell of a night.
Martin: What happened?
Bernie: I was chilling with Monica and she bent over to get the popcorn bowl.
Martin: What happened then?
Bernie: I was a surging sanders. The ass was too fat.
When someone comes out of nowhere.
Bernie Sanders came out of nowhere in the polls. He did a surging sanders
Despite Clinton raising $112,000,000 , she's worried about a surging Sanders...
The act of cumming out of nowhere.
"I heard that Hillary was getting pretty frisky until Bill pulled a Surging Sanders!"
An ejaculation out of nowhere after an unexpected rise in excitement.
As made popular by Trevor Noah on the Daily Show's "The Legend of Bernie Sanders" @0:29
Hillary Clinton is worried about a surging sanders. So is ur mom! Buh duhm tssssshhh.