Playing with functions(basic)

// trying to confuse my mind (and i think i made it jeje!)

(function(moom){
    moom('moom');
    moom.moomoom = function(moom){
        return moom(moom);
    };
    moom.moomoom(function(moom){
        moom(function(){
            console.log('moom');
        });
    });
    return function(moom){
        return moom('moom');
    };
})(function(moom){
    console.log(moom);
})(function(moom){
    console.log(moom);
});

var boom = function(){
    console.log('BOOM!');
};

boom.boomboom = function(){console.log('BOOOOOOOOMMMMM!')};
boom();
boom.boomboom();