A person who uses Facebook as a way of making snide, yet humorous comments about his or her friends.
Jack Thompson: Is pumped for Saturday night at the pub!
Facebook Smartypants: Of course you are - you're an alcoholic.
Facebook Smartypants: Of course you are - you're an alcoholic.
by CaptainObvious_69 October 24, 2011
Get the Facebook Smartypants mug.