Similarly as you would in English actually: "Vous etes un salaude"
The salad "arugula" is known as "roquette" in French.
Fancy is an adjective with no real meaning in terms of tuna salad. If the most basic tuna salad is tuna and mayo someone could add celery and call it fancy.
"monsieur"
Hey there! Frenchy!
In French, "salad" is feminine and is referred to as "la salade".
salad cream
"Salade française"
Yes it is <(")
cahier
I like salad and ham is "j'aime la salade et le jambon" in French.
un diable sale.
usually a french salad is made up of salad leaves and dressing. But as the term salad also indicates a dish made of mixed ingredients, you can find depending on your taste, potatoes, pieces of cheese, of bacon, of eggs, ...