Grammar matters?

hehe is grammar matter for u? english is constantly changing. New words come into its vocabulary, and older words become obsolete. below are new computer words being considered for the dictionary. Do you know their meaning? Ecewah (me sound like english teacher ek kekeke) POYOS

1. Mouse potato = a person who spends too much time on the computer

2. Cobweb site = a stagnant Web site that has not been updated in a long time

3. Emoticon = a series of typed symbols used to express emotions in e-mails . Ex. :)

4. Livewire = a person who work on computers for a living

5. Chatfly = a person who goes from chat room to chat room

so now u guys can enjoice using those word! new words will coming up next ;)