The most common and most likely answer to this crossword clue is the 5 letter word PEEPS
I've seen this crossword clue in The Daily Telegraph
P
E
E
P
S
More clues leading to the result PEEPS
Buddy explains!

The straight part
We know that "looks s" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case looks s = peeps.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 PEEPS mean?
PEEPS noun- A quiet sound, particularly one from a baby bird.
- A feeble utterance or complaint.
- The sound of a steam engine's whistle; typically shrill.
- A kind of bird; a sandpiper.
- To make a soft, shrill noise like a baby bird.
- To speak briefly with a quiet voice.
- A quick look or glimpse, especially a furtive one.
- The first partial appearance of something; a beginning to appear.
- To look, especially through a narrow opening, or while trying not to be seen or noticed.
- To begin to appear; to look forth from concealment; to make the first appearance.
- A spot on a die or domino.
- Person.
- Used as plural of person; a body of human beings considered generally or collectively; a group of two or more persons.
- Persons forming or belonging to a particular group, such as a nation, class, ethnic group, country, family, etc.
- A group of persons regarded as being employees, followers, companions or subjects of a ruler.
- One's colleagues or employees.
- A person's ancestors, relatives or family.
- The mass of a community as distinguished from a special class (elite); the commonalty; the populace; the vulgar; the common crowd; the citizens.