The most common and most likely answer to this crossword clue is the 6 letter word RIDING
I've seen this crossword clue in The Guardian
R
I
D
I
N
G
More clues leading to the result RIDING
- Mounted apparatus to restrict noise
- Mounted equipment to limit noise
- Racket in fake tax-man’s district
- On a bike, one’s headed North, East or West?
- Secured by band, papers being carried
- Mounted detective appears in circus
- Unpleasant noise breaking gear on a bike
- Some of county documents seized by criminal gang
- Put crudely, having sex is what drives us
- Up in old part of Yorkshire
Buddy explains!

The straight part
We know that "Put crudely, having sex" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case put crudely, having sex = riding.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does RIDING mean?
RIDING verb- To transport oneself by sitting on and directing a horse, later also a bicycle etc.
- To be transported in a vehicle; to travel as a passenger.
- (chiefly US and South Africa) To transport (someone) in a vehicle.
- Of a ship: to sail, to float on the water.
- To be carried or supported by something lightly and quickly; to travel in such a way, as though on horseback.
- To traverse by riding.
- To convey, as by riding; to make or do by riding.
- To support a rider, as a horse; to move under the saddle.
- To mount (someone) to have sex with them; to have sexual intercourse with.
- To nag or criticize; to annoy (someone).
- Of clothing: to gradually move (up) and crease; to ruckle.
- To rely, depend (on).
- Of clothing: to rest (in a given way on a part of the body).
- To play defense on the defensemen or midfielders, as an attackman.
- To manage insolently at will; to domineer over.
- To overlap (each other); said of bones or fractured fragments.
- To monitor (some component of an audiovisual signal) in order to keep it within acceptable bounds.
- In jazz, a steady rhythmical style.
- A path cut through woodland.
- The act of one who rides; a mounted excursion.
- A festival procession.
- Any of the three administrative divisions of Yorkshire and some other northern counties of England.
- Electoral district or constituency.