If you are meaning "mom" as "mum" then you don't just say lol, you start to laugh in a cute way so sheknows your not growing up yet:)O
It depends on the sentence. For example: I heard your mom's going to Germany. A lot of moms will be at the party. Basically, 'mom's' is another way of saying 'mom is' and 'moms' is the plural of...
Your grandmother.
The proper way would be to said 'are mom and dad'.
LOL ol ol ve song xD