gistfile1.js

var Headout = {
    apply: function() {
        return true;
    },
    code: function() {
        console.log("I", this.a.join(' '), 'code at Headout');
        this.a = [];
        return this;
    },
    a: []
};

"eat sleep drink".split(" ").forEach(function(s){
    Headout[s] = function() {
        this.a.push(s);
        return this;
    };
});