The surname Henderson is of Scottish origin and means "son of Henry". The name is derived from the Scots Gaelic clan MacEanruig of Glencoe which was later anglified to Henderson and McKendrick. Other areas of Scotland that the name made an early appearance were Caithness in the far north of Scotland in the 15th century, where Henry Gunn fell out with other members of the clan Gunn and adopted the name Henderson. Towards the end of the 16th century the name appears around Dumfries in the Scottish borders when the family are accused of being Border Reivers. The name was unknown in England prior to the 17th century and is first mentioned in a marriage document between one of the Borders Hendersons and the daughter of a Carlisle merchant at Hexham

also one of the best surnames ever!
name. Mr Henderson
by ace_maan May 19, 2009
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A Henderson is someone that possesses insane amounts of car knowledge and uses it to effectively to drop knowledge-bombs during civil conversations about cars.
Friend 1: "Wow look at those two turbos in that Subaru!"

Friend 2: "Those are hella horns, not turbos, you moron! Wow man..."
Friend 3: "Wow man, you just got Henderson'd!"
by Ghalby February 14, 2017
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The act of putting one's testicle into the anus of another. Usually done in multiple attempts.
Doug pulled a henderson on Rebbecca and now can no longer have children.
by nuggetlover February 17, 2009
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When you're driving in a car with a group of friends, and the driver crashes into something random and you almost get injured. After that happens, you scold the driver and hold on for dear life as he continues to drive.
(Driving down the road and your friend hits and wrecks into a random object)

"Oh my gosh Timmy! You totally just pulled a Henderson!"
"Don't drive with Timmy, he will totally pull a Henderson!"
by iflifeisreallylikethis52 January 18, 2010
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A subspecies of goblin or hobgoblin known for its terrible cheddar penguin breath. Most Hendersons are also known to hate “Cogglings” with a fiery passion.
“Here comes Henderson, be careful his breath wreaks of cheddar penguins.”
by Yungg Henley December 21, 2019
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The sexual act involving a tarp and anal beads. Anal beads in while the guy is getting a blow job, and right when he cums the anal beads are removed, and his bowels empty all over the tarp. Then the partner rolls around in the feces and commences to other sexual acts.
Person 1: You ready? Gonna put the tarp down.
Person 2: What do we need a tarp for?
Person 1: the henderson, now put these anal beads in
by almosttooboss May 16, 2011
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A two-handed masturbation technique performed whilst viewing a poor quality video of a naked, jumproping woman. A popular variation involves the concurrent playing of the theme song for Rocky (the original).
With only a few minutes before the Raiders game, Harley had just enough time to complete a Henderson.
by Scamp Bellcott October 19, 2007
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