1 definition by m.e.s.
verb/noun; to riley someone is to give them the best lay of their life. to "get a riley" is to be on the receiving end of such a phenomenal sexual act.
"Man, last saturday that girl totally gave me a riley!"
"Just you wait until we get home and I give you a riley."
"Just you wait until we get home and I give you a riley."
by m.e.s. August 4, 2005