(v.) When, on facebook, someones facebook page gets creeped on by their mom, especially when a mom uses her facebook friend-status to look at the pictures, posts and statuses of her child/children to gain information that the child did not want his/her mother to know.
Girl 1(status update): party tonight! its gonna be awesome!
Girl 2(comment): yeah were gonna get more wasted than last time!! maybe we can find some more guys that will take us back to their place!
Mother of Girl 1(comment): you aren't going anywhere tonight, call me right now!
girl 2(comment): oooh, mombooking FTL :-(