The most common and most likely answer to this crossword clue is the 4 plus 4 letter word BOOB TUBE
I've seen this crossword clue in Financial Times
B
O
O
B
T
U
B
E
More clues leading to the result BOOB TUBE
- Top American telly
- Top former pupils, sitting face to face, when going on the Underground
- Mistake then saving billions in a day? That’s tight!
- Garment that’s a mistake when taking the Underground
- Still slip to lift over top of elasticated garment that’s tight
- US TV’s top for ladies
- American set returning to put heart into Morecambe but boo Blackpool
- Show disapproval of piping on the side of black female garment
Buddy explains!
The straight part
We know that "That’s tight!" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case that’s tight! = boob tube.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.