A response, which can be either friendly jibing or hostile, when someone asks you for a cigarette and then immediately asks you for a light. The implication, joking or annoyed, is that person is going to keep asking you for things.
When you try to make random people laugh and smile because it will release endorphins, and you know they will be kinder to the next person, and they to the next, and they also, and so on and so forth. One silliness makes a better world.
Jane loves to be constantly silly and make people laugh, even if they are laughing at her, because she loves to smile-it-forward.
It is a command which compels the person it is directed towards to not respond to my last comment for it has settled the dispute
"Look, you can say what you want about me, but your girlfriend is a whore, that's why the whole hood banged her, now put that in your pipe and smoke it."