To "go smile" could be a crude way of asking someone to smile. However, this is not a commonly used phrase in the English language. Alternatively, "GO SMiLE" refers to a company that manufactures teeth whitening products.
It meas they like you and wont to go out with you
It could mean that he finds you attractive or interesting. Smiling back doesn't necessarily mean you are interested, so if it makes you feel weird, you can choose to acknowledge the smile politely and then go about your business.
what does beg-pardon smile mean
A smile with rye seed on it. Did you mean 'What is a wry smile?'
if he likes your smile he will smile back :D
Smile Like You Mean It was created on 2005-04-04.
It does not necessarily mean anything - he may not be interested in your smiling.
Well it could mean that they don't like to smile because they feel that they don't have a pretty smile or they are an unhappy person.
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a nervous smile can mean they don't know what to do or say next. an excited smile can mean that their really happy or just happy to be around you... or many other things..