1 definition by MoJoe13
noun. One who destructively reveals plotlines or other details of a movie, story or book, simply for the sake of revealing a spoiler, or ruining a surprise ending for fans.
"Did you hear about who is in the coffin on the season finale of 'Lost?'"
"You should stop reading blogs written by spoilersports."
by MoJoe13 Jun 17, 2008 add a video