by whitetrash420 April 29, 2019

Riley is a crazy child at times even though she’s always making u laugh. She’s a hot mess unorganized blond that most likely does gymnastics or softball or basketball. Even though she’s crazy people still love her and she makes people laugh
Riley is a hot mess today
by Poopy pants the 3rd February 18, 2019

The epitome of ignorance; A term used to describe one who is psychopathic by nature and has an appearance similar to that of a deceased pheasant; Lacking common sense and/or sanity.
"Wow, did you see that Riley? Someone should call an MHI!"
"Eww honey, don't touch that Riley. You might get infected."
"Eww honey, don't touch that Riley. You might get infected."
by Davisisthacoolesteverrrr January 28, 2009

A straight up b i t c h! Riley’s are fake beyond belief and only will do something for you if they get something out of it. they will often lie. they are all about the drama. until someone confronts them, then they are a total crybaby. at first your best friend, then your enemy. don’t trust a Riley
by Harley Is Rad December 19, 2017

It's is a very common name for a retarded down syndrome fuck face, Commonly plays PUBG Mobile and Tom Clancy's Rainbow Six Siege
by RileyIsAFuckFace May 14, 2018

by TotallyNotJen July 12, 2017

To publicly make a fool of yourself when trying to make another look foolish. For instance, to accidentally dox yourself when trying to dox another.
Did you see that guy give out an eclipse photo file to prove there is no earthshine during a total eclipse, only to have the other people find earthshine in that photo, talk about pulling "a Riley."
by GaryMoore September 12, 2017
