The most common and most likely answer to this crossword clue is the 8 letter word CLAMBAKE
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More clues leading to the result CLAMBAKE
- Brownie possibly eating meat? It’s Uncle Sam’s picnic
- Picnic bun filled with meat
- Outdoor party food item includes meat
- Meat-filled bun for beach picnic
- Make a hash of meal back in US picnic
- American beach barbecue where Madeleine perhaps eats meat
- Meat in sandwich perhaps for American picnic
- Gathering outdoors- maybe an Angel will protect the little one
- Sally Lunn, say, gets some meat for the party
- Picnic for Americans with meat served in baked dough
Buddy explains!

The straight part
We know that "party" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case party = clambake.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 CLAMBAKE mean?
CLAMBAKE noun- An informal beach party in which food, usually seafood, is cooked in a pit dug in the sand, filled with hot coals.
- An instance of smoking (usually marijuana) in an enclosed space.
- A meeting of predominantly females.
- To smoke marijuana in an enclosed space such as a car with the windows up.
- To enclose something and fill it with smoke by smoking (usually marijuana) inside it.
- Informal, makeshift, sloppy.