A word often used in a flirty manner or as a substitute for a more serious gesture such as love. Saying "you're so silly" can be used as a substitute to stop yourself from saying "I love you" too early or saying it when both people are not there yet.
1) When my baby sister dances around with a pail on her head, she looks so silly!
2) Those guys look way silly when they have all their role-playing capes and gear on.
A word you use for someone who is always making people laugh by what they say and always making jokes..usuallyhappens with people by the the name of Joel.
The most awesome complement you can give a person! It is cooler than cool or even ice cold. Silly is the epitome of greatness, and a term used only to describe the greatesthuman beings on the planet