The most common and most likely answer to this crossword clue is the 6 letter word CAMPER
I've seen this crossword clue in The Daily Telegraph
C
A
M
P
E
R
More clues leading to the result CAMPER
- More affected holiday-maker
- Holiday-maker? Person getting half cut by river
- A holiday-maker is more affected
- Cold in the morning for each person in tent
- More theatrical holidaymaker?
- Lark catching worm, finally — being intent, did you say?
- South of river traveller reversed vehicle
- English flower for each one canvassed
- More theatrical, one pitching a tent?
- Run playfully around back of mom’s motor home
Buddy explains!

The straight part
We know that "More theatrical/one pitching a tent" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case more theatrical/one pitching a tent = camper.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 CAMPER mean?
CAMPER adjective- Theatrical; making exaggerated gestures.
- (of a man) Ostentatiously effeminate.
- Intentionally tasteless or vulgar, self-parodying.
- A person who camps, especially in a tent etc.
- A motor vehicle with a rear compartment for living and sleeping in.
- A person who stays in one spot during a first-person shooting game, to guard an item etc.