The most common and most likely answer to this crossword clue is the 3 plus 4 letter word TAG LINE
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More clues leading to the result TAG LINE
- Game children play on train, ending in a joke
- Something funny in setting of gelatin
- Genitals mostly involved as point of joke
- Conclusion of advertisment given surprisingly genial slogan
- Slogan putting liberal in a stew
- End of joke that could bring a tingle
- Translation of Latin e.g. that’s funny
- Humour ultimately missing from sadly integral part of a joke?
- Something funny, perhaps, left in stew
- Advertising slogan putting Liberal in stew?
Buddy explains!
The straight part
We know that "part of commercial" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case part of commercial = tag line.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.