Just like any country, the USA has many regional dialects. Our language sounds different in Georgia than in Maine than in New York than in Minnesota than in Texas than in California than in Louisiana.
'Sexier ' is not a word that applies to accents, unless you are astonishingly naive.
The American accent is diverse and can vary based on region. Generally, it is characterized by rhoticity, where the "r" sound is pronounced strongly, and a fairly neutral pronunciation of vowels. However, there are distinct accents in different parts of the United States, such as the Southern accent or the Boston accent.
french
An American might pretend to have a British accent in order to sound sexier, as it is often perceived as sophisticated and charming.
A heavy ukranian accent will sound russian, a lighter one will sound german.
An American might pretend to have a British accent to sound sexier. British accents are often associated with sophistication and charm in American media and culture.
French
FrenchItalianSpanishAustralianBritish
East coast
You can't really tell an accent from one word, especially a short one like "yes." Besides, there are 50 different states in America, and each one has its own accent.
Depending on context, accent can be translated as:noun:AkzentBetonungDialektBetonungszeichenSchwergewichtSchwerpunktverb:betonenakzentuieren
French, Spanish, Italian, British, Australian