its the way they present themselves, esp the way they talk and
body language.
some non ah beng
has bad dressing sense oso, its call bad combination or ah
gongz.
its so common to see ple smoking nowadays, even some high flyers
smoke.
i believe most smokers litter their cigies butt anywhere, anytime
at some point too.
so...... dun generalise.
peace. 
