The most common and most likely answer to this crossword clue is the 7 letter word STIPPLE
I've seen this crossword clue in The Daily Telegraph
S
T
I
P
P
L
E
More clues leading to the result STIPPLE
- Son has to drink to make some points
- It’s dotty, finishing with dangerous drink
- Artistic effect of second drink
- Dot — ultimate character in EastEnders taking a regular drink
- Second drink? It may make you see spots
- Southern drink to make dotty
- After second drink, produce work that’s spotty
- Block a series of steps with two pianos? That looks dotty!
- What a painter might do for second drink?
- Paint on second drink
Buddy explains!

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 STIPPLE mean?
STIPPLE noun- The use of small dots that give the appearance of shading; the dots thus used.
- To use small dots to give the appearance of shading to.