a surkin is anyone who frequently makes typos, uses inappropriate words for things, or has poor english grammar in general
it can also be used as an adjective
'this new album is so grate, i already listen to it 5 times!' .......... 'wow, what a surkin' 'holy balls, how surkin'
According to the Daily Show's Trevor Noah, the Surging Sanders is "when you come out of nowhere": a sexually charged pun based on Bernie Sanders' sudden appearance.