The most common and most likely answer to this crossword clue is the 8 letter word PERUVIAN
I've seen this crossword clue in The Guardian
P
E
R
U
V
I
A
N
More clues leading to the result PERUVIAN
- S American traveller going west, one in posh vehicle
- South American training to race across Roman road
- A sign for Underground by end of station like Paddington
- National sport in Green Park initially rejected
- South American jockey in rave-up
- South American scrambled up ravine
- Writer about sport through agency of an SA citizen
Buddy explains!

The straight part
We know that "like Paddington" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case like paddington = peruvian.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.