There is no one American accent, so you can't generalize that way.
An American might pretend to have a British accent in order to sound sexier, as it is often perceived as sophisticated and charming.
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.
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.
French, Spanish, Italian, British, Australian
"they sound like jamicians but much stronger" we don't sound anything like jamaicans, man! They have a much stronger accent than we do, and their own dialect. Ours is soft, like the difference between southern American and a Florida accent. Easy to notice, but definitely not anything near jamiacan...
'Sexier ' is not a word that applies to accents, unless you are astonishingly naive.
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
Cockney
Fair