The most common and most likely answer to this crossword clue is the 4 plus 3 letter word ICED TEA
I've seen this crossword clue in The Guardian
I
C
E
D
T
E
A
More clues leading to the result ICED TEA
- I give up consuming Tango, a cold drink
- Deceit conjured up over a drink
- Terribly emaciated old woman wanting cold drink
- A deceit, maybe, to get a cold drink
- Fizzy diet drinks cold, each a cold drink
- Drink tied ace in knots
- Reserve rearranged date for drink
- Doctor medicated, peeled lemon infusion?
- Non-alcoholic drink rocks jittery date
- Leaves cold?
Buddy explains!

The straight part
We know that "drink" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case drink = iced tea.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.