The most common and most likely answer to this crossword clue is the 4 letter word MOCK
M
O
C
K
More clues leading to the result MOCK
- Make fun of dress? Don't start!
- Ridicule working model not out of bed?
- 'Shamrock', losing four letters, leaves 'sham'?
- Scoff cod
- Guy needs something to wear, first off
- Satirise musical overdoing carnal knowledge, for starters
- Frontless dress is fake
- Models make fun of highs
- Fake items of protective clothing — no case to be made
- As part of black comedy, turned to ridicule
Buddy explains!

The straight part
We know that "Fake" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fake = mock.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 MOCK mean?
MOCK noun- An imitation, usually of lesser quality.
- Mockery, the act of mocking.
- A practice exam set by an educating institution to prepare students for an important exam.
- A mockup or prototype.
- To mimic, to simulate.
- To create an artistic representation of.
- To make fun of by mimicking, to taunt.
- To tantalise, and disappoint the hopes of.
- To create a mockup or prototype of.
- Imitation, not genuine; fake.